Question

Find the radius of a circle with an area of 380.13 square inches

Answer 1

area of circle is πr²

380.13 = 22/7 x r x r

380.13 x 7 = 22r²

2660.91 /22 = r²

120.95 = r²

r = √120.91

r = 10.9cm..

hope it help you