a cylinder has base radius 4cm and a height 10cm find its lateral surface area std 9 maths
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Answer:
Radius = 4cm
Height = 10cm
Lateral surface area = 2πrh
= 2 x 22/7 x 4 x 10
= 2 x 880/7
= 1760/7
= 251.42 cm²
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