Question

If curved surface area of sphere is 616cm2 then find its radius

Answer 1

Answer:

7 cm

Step-by-step explanation:

C.S.A of sphere= 4πr^2

616 cm^2= 4×22/7×r^2

616×7/22×4= r^2

7×7= r^2

49= r^2

(7)^2=(r)^2

r= 7 cm

Answer 2

Sorry I don't know answer