Question

Calculate the area of a circle with radius of 5cm

Answer 1

Area of circle =
`\pi r^(2)`
=22/7 X 5X5
=450/7
=64.2857142.........

therefore area of the circle = 64.2857142......cm

Answer 2

Area = (Pi)r^2 (pi is 3.14159......)

A = (pi) x 5^2

A = 25(pi)

Area = 78.54 cm^2 (to 2 d.p)