radius of base of a cylinder is 20 cm it's height is 13 cm find its curved surface area total surface area ( ll=3. 14 )
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Radius = 20cm
Height = 13cm
CSA = 2πrh = 2×3.14×20×13 = 1632.8cm²
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Answer:
radius= 20cm
height= 13cm
Curved surface area= 2πrh =2×3.14×20×13
=1632.8 cm²
Total surface area= 2πr(h+r) =2×3.14×20(13+20)
=62.8×20(33)
= 41448cm²
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