Question

A 50 centimeter piece of wire is bent into a circle. What is the area of this circle?

Answer 1

198.95 cm²

Explanation:

Circumference = 50cm

C = πD

D = C/π

r = D/2

r = 50/π/2

r= 7.957747…..cm

Area = π r²

A = π x 7.957747….²

A = 198.95 cm² (2dp)