Question

if the surface area of a sphere is 346.5cm square calculate its radius and the volume

Answer 1

RADIUS=5.25
VOLUME=606.13

Answer 2

W.K.T area of sphere = 4pir

   Given 4 pi r^2 = 346.5            (pi = 22/7)
        
                  r^2 = 346.5 * 7 / 4 * 22
                      
                        = 27.562

                        = 5.25 cm

Volume of sphere = 4/3 pi r^3

                              = 4/3 * 22/7 * 5.25 * 5.25 * 5.25

                             = 606.37


Hope this helps!