Question

the diameter of cylinder is 7cm and its curved surface is 220cm.Then its height is​

Answer 1

Step-by-step explanation:

CSA = 220cm

Radius = 7÷2 = 3.5cm

CSA = 2πrh

Let height be h

Thus, 2 × π × 3.5 × h = 220cm

2 × 22 × 0.5 × h = 220cm

44 × 0.5 × h = 220cm

22h = 220

h = 220/20

h = 10 cm

Thus, Height is 10 cm.

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