rvedo12 rvedo12

02-07-2020
Mathematics

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Find the area of a circle with diameter of 10 cm. Let pi = 3.14

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wegnerkolmp2741o wegnerkolmp2741o

02-07-2020

Answer:

A = 78.5 cm^2

Step-by-step explanation:

The diameter is 10 so the radius is 1/2 of the diameter

r =1/2d = 1/2(10) = 5

The area of a circle is

A = pi r^2

A = 3.14 (5)^2

A = 78.5 cm^2

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