Find the surface area of a cylinder whose radius is 7 cm and its height is 33 cm?
- 1680 cm²
- 1760 cm²
- 1820 cm²
- None of these
Explanation
To find the surface area of the cylinder:
Use the formula:
Surface Area = 2πr(h + r)
where r = 7 cm and h = 33 cm:
Surface Area = 2π(7)(33 + 7)
= 2π(7)(40)
≈ 2 × 3.14 × 7 × 40
≈ 1760 cm²
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