Question

The curved surface area of a right circular of height 14 cm is 88 cm2 . Find the diameter of the base of the cylinder

Answer 1

Answer:

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Step-by-step explanation:

22/7*r14=88

r=88*7/22*14

r =24/14=12/7

d=24/7

Answer 2

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Let r be the radius of the base and h = 14 cm be the height of the cylinder.

Curved surface area of cylinder = 2πrh = 88 cm2

⇒ 2 × 22/7 × r × 14 = 88

⇒ r = 88/ (2 × 22/7 × 14)

⇒ r = 1 cm

Thus, the diameter of the base = 2r = 2×1 = 2cm.