The formula to calculate the area of a circle is: Area = pi x radius^2
Given that the radius is 5, we can plug that value into the formula:
Area = 3.14 x 5^2
Area = 3.14 x 25
Area = 78.5
Therefore, the approximate area of the circle is 78.5 cm^2, which corresponds to option C.
Use the formula Area = pi x radius 2, where pi is approximately 3.14, to answer the question about the circle.
Radius is 5
what is the approximate area of the circle
A.15.7cm^2
B.31.4cm^2
C.78.5cm^2
D.246.5cm^2
E.314.0cm^2
1 answer