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Question:

Curved surface area of a right circular cylinder is 4.4m². If the radius of the base of the cylinder is 0.7m, find its height.

Solution:

Given:⇒R=0.7m⇒CSA=4.4m²Let's assume height be x⇒2πrh=4.4m²⇒2×22/7×0.7x=4.4⇒x=4.4×7/2×22×0.7=1m⇒Height=1m