WebJan 16, 2024 · You can use the area to find the radius and the radius to find the area of a circle. The area of a circle is the space it occupies, measured in square units. Given the area, A, of a circle, its radius is the square root of the area divided by pi: r=\sqrt {\frac {A} {\pi }} r = πA. The formula for radius to area is: A=\pi {r}^ {2} A = πr2.

Semicircle Area Calculator Definition, Formula, Perimeter

WebThe formula to calculate the circumference if you know the radius is as follows: Circumference = 2 x Radius x π π = Pi = 3.14, thus, the math to calculate the circumference of a circle with a radius of 98 is: 2 x 98 x 3.14 = 615.44 And the answer to the circumference of a circle with a radius of 98 is approximately: ≈ 615.44 WebA circle has a radius measuring 40 inches. A. 1 answer; math; asked by meh; 23 views; can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your answers as decimals rounded to the nearest hundredth. Find the circumference and area of a circle that has a rectangle inscribed inside. 5 ... callaway thermal mittens

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WebMar 30, 2024 · A circle has a circumference of 615.44 units What is the radius of the circle? Advertisement Answer 4 people found it helpful satwikatyam Answer: R= 97.875 Step-by … WebMar 20, 2024 · Find the circumference of the circle. Use 3.14 for radius = 9.5 inches A. C= 59.66 inches B. C= 5.96 inches C. C= 29.83 inches D. C= 298.3 inches 8. Find the Area of the circle. Use 3.14 for A. A = 61.5 squared kilometers B. A = 43.96 squared kilometers C. A = 615.44 squared kilometers D. A = 87.92 squared kilometers 9. WebJul 7, 2024 · The formula for the circumference of a circle is #2pir# so all we have to do is plug in 5 for our radius: #2pi(5)# which can be simplified to #10pi#. coats saddle company