Question

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

Answer 1

78.5

Answer 2

thank you so much!!

Answer 3

oh ok

Answer 4

thanks

Answer 5

whats the right anwser

Answer 6

\[A=\pi r^2\]\[r=d/2\]\[d=10 \text{ yard}\]\[\pi=3.14\]
Plug in the numbers...

Answer 7

I dont understand how to do that?