Question

12. What is the height of a cylinder whose
radius is 7 cm and total surface area is 968
square cm?​

Answer 1

➪ 2πr ( r + h ) = 968

➪ 2 × 22 × 7 ( 7 + h ) = 968

7

➪ 7 + h = 968

44

➪ 7 + h = 22

➪ h = 15 cm