Question

What will be the height of a cylinder whose radius
is 7 cm and the total surface area is 968 cm2 ?​

Answer 1

Step-by-step explanation:

Answer

2πr(r+h)=968

⇒2×

7

22

×7(7+h)=968

⇒7+h=

44

968

⇒7+h=22

⇒h=15cm

Answer 2

Answer:

Formula = 2 π r (r + h)

2 x 22/7 x 7 (7 + h) = 968

2 x 22 x (7 + h) = 968

44 x (7 + h) = 968

7 + h = 968/44

7 + h = 22

h = 22 - 7

h = 15

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