Question

find the radius of a circle with the area 77cm square

Answer 1

Answer:

ok

Step-by-step explanation:

root 549/root22

tjis answer is being answered by Nikhileswar

Answer 2

Answer:

7root 2 /2

Step-by-step explanation:

area of circle =$\pi$r^2

77cm^2= $\pi$r^2

77*7/22 =r^2

49/2 =r^2

So radius is 7/root 2

7/root 2 *root 2/root 2 = 7 root 2/2