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The area of a circle is 78.5 cm2. Find the length of the radius of the circle . Use pi = 3.14
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The area of a circle is 78.5 cm2. Find the length of the radius of the circle . Use pi = 3.14

The area of a circle is 78.5 cm2. Find the length of the radius of the circle . Use-example-1
User Thomas Andrews
by
6.1k points

1 Answer

4 votes

Answer:

r= 5

Explanation:

area =
\pi r^(2)

78.5 = 3.14
r^(2)

r =
\sqrt{ (78.5)/(3.14)}=5

User Romulo
by
6.1k points
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