Question

Find the radius of bowl whose surface area is 2772 CM square​

Answer 1

Answer:

The surface of a sphere is 4(pi)r^2 and so the curved surface of a hemisphere is 2(pi)r^2 = 2772, so r^2 = 2772*7/(2*22) = 441 and r = 21 cm.

Check: The volume of the hemisphere = (2/3)*(pi)r^3 = (2/3)*(pi)*21^3 = 19404 cc. Correct.

The radius of the hemisphere = 21 cm.