Question

A circle has a diameter of ten yards. What is its area? Use three point one four for pi

Answer 1

@ganymede

Answer 2

Well, the formula for area is:
A = πr^2

π = 3.14

The radius equal half of the diameter. So,
r = 10/2 = 5

Now plug into Area formula:

A = 3.14(5)^2

Make sure to first square 5 and then multiply that number by 3.14 and you will have your area :)