56. Question and answer Find the circumference of a circle if the area is 300 square centimeters. 14, thus, the math to calculate the circumference of a circle with a diameter of 45 is: 45 x 3. 5 r = 12. C. A = 22 × 7. Worksheet #2. Which of these dimensions could be the diameter, in inches Jessa used to draw her circle? Use 3. By dividing a circle into equal parts as shown in the picture below, we can rearrange the. D. 28 in. 42. C = 2 x pi x 4 over 2 -is the equation that can be used to find the circumference of a circle with diameter 4 cm. The diameter of a circle whose circumference is 18. Question. If the circumference of the rim of the wheel is 42 inches, how long is each spoke? Round your answer to the nearest hundredth. D. 4 centimeters is the circumference of a circle with a diameter of 45 centimeters. The circumference hence is equal to 28 pi inches. d = 18. , Oxford, 1921] gave approximation of $pi$, by $$piapprox frac{22}7= 3. 4. 55. A angle in radians allows us to form a relationship between the angle, the radii and the arc length (which is harder to do in degrees). Also, check your results using our circumference to diameter. Find the circumference of a circle that has an area of 452. 2 (rounded) Log in for more information. Learn how to use this formula to find the area of a circle when given the diameter. Solution: Solving for r: Area = pi * r^2 58 = 3. 1416 * 452. 44 in. Write cos (arccos (8x) − arcsin (8x)) as an algebraic expression. A. Using the formula C = 2 r, find the circumference of a circle with diameter of 28 inches. C = 2(22/7)(7 ft) = 44 ft. 3. To begin with, remember that pi is an irrational number written with the symbol π. Formula 3: When the area of a circle is known, we can write the formula to find the perimeter of the circle as: C = √ (4πA) Here, C = Circumference of the circle. cm. If your calculator doesn't have a PI (Π. B. Calculate. Circumference = 2 r where "Circumference" represents the total distance around the circle, " " is a mathematical constant approximately equal to 3. Example 2. Circle 2: Circle 1: Let's look at the ratio of the circumference to diameter of each circle: Find the circumference of a circle if the area is 300 square centimeters. 26. The circumference of a circle that has an area of 452. 4 metresThe circumference of a circle with a diameter of 12 ft is 37. 7/4. Find the circle’s area with the correct formula A = π x R^2 = π x 20^2 = 1256. 1416 as the value of N) Weegy: The circumference of a circle that has an area of 452. 14. The circumference of a circle of radius 3 is 2 ⋅ π ⋅ 3 2 ⋅ π ⋅ 3, which is 6π 6 π, or about 18. User: What's the circumference of a circle with a radius of 7 in?Round your answer to the nearest inch. 14 = 95. Find the circumference of a circle that has an area of 452. C. com New answers. 37 in. 150° B. using the formula C = 2TTr, find the circumference of a circle with diameter of a circle with diameter of 28 inches. Apical meristem B. 9. 61. 84. 1416 * 12 c = 37. 16 m^2 C = 2 * sqrt 1,420. Find the circumference of a circle with a radius of 7m. These would be the steps to follow: Use the appropriate equation, which, in this case, is the circumference to diameter formula: c = πd. 74 cm B. 26. 14 * 4. Circumference = 2πr. If radius and diameter are unknown, you can calculate it from the circumference: a = c² / 4π. 28318. C = 3. 38cm Area = 300cm Area = pi*r^2; r^2 = Area/pi; r^2 = 300/3. Get answers from Weegy and a team of really smart live experts. 56 in. 1416 as the value of π. 42. 3984 meters. 56. Units. 14) =7. 12 meters. 14*9. The circumference of a circle with a diameter of 12 ft is 37. 16 square meters is 75. Diameter of a Circle. Diameter of a Circle. 14 ⋅ 16. measure the circumference of a circle in a variety of ways, deduce that the circumference divided by the diameter is always equal to 𝜋, state the formulas 𝜋 × 𝑑 and 2 × 𝜋 × 𝑟 for the circumference of a circle, where 𝑑 is the diameter and 𝑟 is the radius, calculate the circumference. 14 ; r = 12 ; circumference = 2*pi. Area = pi *r^2 , 58 = 3. The formula for the circumference of a circle that uses radius is: C = 2 π r. Therefore, to calculate the circumference of a circle, we apply a formula that uses the radius or the diameter of the circle and the value of Pi (π). 6992 meters. D. 16 square meters is 75. 1. 96 (*) In terms of area:. Weegy: If the area of a circle is 58 square feet, the circumference is 27 ft. 16 ; r^2 = 452. 61. 6992 meters D. Weegy: The area of a square computer screen with 21-inch sides is 441 sq. 99 ft. A circle circumference and radius are proportional. 1416) r = 12 (rounded) Diameter (d) = 12 * 2. George has a garden outside his house which is in the shape of a circle with a diameter of 10 yards. The circumference of a circle with a diameter of 30 centimeters is: 94. cm B. 9. Question|Asked by isangie0. Using the formula C = 2pir, find the circumference of a circle with diameter of 28 inches. verified. AboutTranscript. 2 centimeters is the circumference of a circle with a diameter of 30 centimeters. 14156. 28 inches. Pi is a special mathematical constant with a value approximated to 3. The circumference of a circle is pi times its diameter. If the area of a circle is 58 square feet, find the circumference. A. A. 25 ft. 9. round your to the nearest inch. e. 16/3. The measurement of the second angle is 140 180 - 40 = 140 degrees User: The length of a rectangle is 12 in. 74 cm The circumference of a. 54; r = 9. where the arc length is. Circle Circumference by Diameter. Weegy: Two angles are supplementary. ) A. 5 ft. It is derived by dividing the area of a circle formula by 2. Example 3. 5 ft. 38 cm D. heart. The circumference is Pi*2*r = 22/7*2*28 = 176 feet. 77 cm The circumference of a circle if the area is 300 square centimeters. 29 , Circumference =2 *pi *r = 2 *3. WINDOWPANE is the live-streaming app for sharing your life as it happens, without filters, editing, or anything fake. 12 meters B. 61. r = 8. Added 8/23/2022 8:10:18 AM. 1 Answer/Comment. 2 centimeters. Using 3. The distance across a circle is called the diameter. weegy; Answer;. 6992 meters B. greater than the number of. A square is inscribed in a circle with radius 'r'. ). 84 feet d = 6 ft. 14 3. Solution: C = 2 sqrt pi A C = 2 * sqrt 3. 38 cm. results may be rounded. Then, we can use the formula πd to calculate the. 38 cm. A circle is a round plane figure with a boundary (called the circumference) that is equidistant from its center. Find the circumference of a circle with a radius of 7m. 4 centimeters. A. The diameter of a circle is a line that passes through the center and meets the circumference at opposite ends. then plug in known values. Our circumference calculator provides circumference of a circle by entering its radius. Weegy: Works with no known authors should be listed by their Titles. Draw a line through the center of circle and hitting the edge on the other side. ). To find the circumference, you would multiply Pi by the diameter. 1416. What is the circumference of a circle with a diameter of 25 ft? How far around is a circle that is 25 feet across? Diameter. And now we have found the circumference of the circle. 24 meters Find the circumference of a circle if the area is 300 square centimeters. The circle is one of the first shapes we learn and one we see every day all around us. 77cm , circumference =2 *pi*r =2*3. π is the numerical constant with an approximate value of 3. Log in for more information. Use the formula: Circumference = 2 r where "Circumference" represents the total distance around the circle, " " is a mathematical constant approximately equal to 3. Find the circumference of a circle if the area is 300 square centimeters. Weegy: Cultural. Find the circumference of a circle that has an area of 452. Diameter in ft cm; 30. Calculate A, r and d | Given C Given the circumference of a circle calculate the radius, area and diameter. 7/2. Log in for more information. Find the radius of a circle with a circumference of 9 km. π⋅(diameter) π ⋅ ( d i a m e t e r) Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. Five-year-old Svetlana is on a behavior modification plan in school. The circumference is pi times the diameter if it were opened up and straightened out to a line segment. 14 = 95. EXAMPLE 1 Find the Circumference of a Circle 4 in. Solution: radius = d/2 = 28/2 = 14 Circumference = 2*(3. B. Solution: = *. 44 in. This answer has been confirmed as correct and helpful. Question 4 options: 64 , 16 16 , 64 16 , 8 8 , 16 ' Krissa drew a circle with a radius of 4 inches. what's the circumference of a circle with a diameter of 45 centimeters . A. Find the circumference of a circle that has an area of 452. 14 in. zariahfulmer. 28 in. 68965 m C = 75. π⋅(diameter) π ⋅ ( d i a m e t e r) Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. Circumference = π * Diameter. Circumference (blue) is the perimeter length of the circle. 8. misha254. 26. 74 cm The circumference of a circle if the area is 300 square centimeters. 98 inches exactly or limited to de precision of this calculator (13 decimal places). d = 18. 25 (after rounding off to two decimal places) Hence, the circumference of the circle is 94. r=12 D. 113. The circumference of a circle with a diameter of 45 centimeters is: "141. 99ft Log in for more information. 38 meters. Expert answered|MichellDonovan|Points 8680|. 2 centimeters" Developing Circumference (c) = Diameter (d) * pi c = 30 * 3. B. 6 centimeters D. 14, thus, the math to calculate the circumference of a circle with a radius of 7 is: 2 x 7 x 3. 14·15 = 94. 96 inches. Search for an answer or ask Weegy. 1416 * 12 c = 37. Perimeter of the figure = Perimeter of four semi- circle . Expert answered. = 5 cm. C = 16 π. 29 inches. Added 3/16/2014 7:56:27 AM. It was originally defined as the ratio of a circle's circumference to its diameter. c = 45 * 3. cm. See the solution steps here. 38 cm B. Solution: Area = pie *r^2 = 452. Diameter cm in ft; 200. A = π ⋅ 8 2. Solution: We know the circumference of a semicircle of radius r. 14 = 95. 74 cm Weegy: The circumference of a circle if the area is 300 square centimeters. A. Now, if you wanted to calculate something very large, let’s say we wanted to calculate the circumference of the known universe, which is going to be a huge thing. Here are two circles with their circumference and diameter labeled: Diameter = 1 Circumference ≈ 3. 04 ft is the circumference of a circle with a diameter of 4. The formula to find the circumference of a circle is. 77cm Circumference = 2*pi*r; C = 2*3. 186. When you straighten out the string, measure between the marked point and the end of. Solution: radius = d/2 = 28/2 = 14 Circumference = 2*(3. 28. The diagram below shows the. A. 44 in. Circumference of a Circle. The circumference of a circle if the area is 300 square centimeters. 699: feet: 452. 282. |Score . 1416 Weegy: The spoke of a wheel reaches from the center of the wheel to its rim. However, the term "perimeter" is conventionally used to describe the distance around the boundary of a polygon. r = 32/ (pi) ~~10. J! Need help with finding the circumference of a circle? You're in the right place! CORRECTION = #2 equ. Weegy: Angle is comprised of two rays that share a common endpoint called a vertex. ) A. User: 4. We can stop here and write our answer as 16 π . 38 meters. ). π⋅(diameter) π ⋅ ( d i a m e t e r) Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. 4. 1 Answer/Comment. 14 for pi. 38 cm. The given end points of the diameter are (1,1) ( 1, 1) and. 38 cm D. Connect with others, with spontaneous photos and videos, and random live-streaming. 37. If the area of a circle is 58 square feet, the circumference is 26. 141. |Score 1|emdjay23|Points 268837| User: Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches. A. Note: for simplicity, the operations above were rounded to 2 decimal places and π was rounded to 3. Find the diameter of a circle whose circumference is 18. 84. Where A is the area and r is the radius. π = Pi = 3. Solution: circumference = diameter * pi; c = d * pi; c = 45 * 3. 14*r^2 , area = 300 , r^2 = 300/3. Problem 1. 14, the answer is 5 x 3. Question 2: If the radius of the circle is 3. Circle Circumference by Diameter. 56 cm. To calculate the area of any circle in C++ programming, you have to ask the user to enter the radius of the circle, place the radius in a variable, say rad, and then initialize 3. 3984 meter. Find the circumference of a circle that has an area of 452. 14. No matter the size of the circle, the ratio of the circumference and diameter will be the same. You could also times the diameter by 3. 54: 257. 56 in. This answer has been confirmed as correct and helpful. and the perimeter is 56 in. 1 year ago. 14 *r^2 , r^2 =58/3. The circumference is the distance around a circle. 56. 4 metres Area of the Circle =pir^2=452. Solution: Area = pie *r^2 = 452. 4 centimeters Developing c = pi * diameter (d) c = 3. Diameter 10 inches: radius = 10/2 = 5 inches. The circumference of a circle is equal to Pi π π times the diameter d d. 14*9. 56. 99 cm B. 142 [ imes] 3. the equation to find circumference is c=2PIEr (sorry didn't have the pie symbol). Updated 7 days ago|11/12/2023 3:10:31 AM. 7 into the formula for the area of a circle. The circumference of a circle is pi times its diameter. 12 meters C. 16 square meters. 16 square meters. Substitute the value of the radius r = 5. 14159. Round your answer to the nearest inch. If the area of a circle is 58 square feet, the circumference is 26. 98. The circumference of a circle that has an area of 452. so we can rearrange the previous equation to calculate the radius: And now we can find the circumference, by using the formula: Therefore, the correct answer is D. 14)*14 CIRCUMFERENCE = 87. 3. C = 2 π 8. 77 cm B. 1416 * 12 = 75. 14 *r^2 , r^2 =58/3.