10. The circumference of the base of a right
circular cylinder is 252 cm. Find the lateral
surface area if the height is 3 m.
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Answer:
75600 cm^2
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circumference of circle = 2πr = 252 cm
2×22/7×r = 252
r = 252×7 / 44
r = 48.8 cm
LSA of cylinder = 2πrh
2×22/7×48.8×3 = 920.2 cm^2
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