Solving quadratic equations:

Question

What is the radius of the largest circular quilt that can be made with an area less than or equal to 70 ft^2? Round your answer to the nearest tenth of a foot if necessary.

Please solve and explain. Thanks

Answer 1

A = pi * r^2

70 = 3.14 * r^2

70/3.14 = r^2

22.29 = r^2

4.72 =< r

Answer 2

Thank you for the answer.