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The curved surface area of a right circular cylinder is 8.8 m2. If the radius of the base of the cylinder is 0.7 m. Find its height.
1. 8 m
2. 2 m
3. 1 m
4. 4 m

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Correct Answer - Option 2 : 2 m

Given:

The curved surface area of cylinder = 8.8 m2

Radius of the cylinder =  0.7 m

Formula Used:

The curved surface area of cylinder = 2πrh 

Calculation:

The curved surface area of cylinder = 2πrh 

⇒ 8.8 = 2 × (22/7) × 0.7 × h

⇒ 2 m = h

∴ The height of the cylinder is 2 m

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