the diameter of the base of a right circular cylinder is 4.2 dm and it's height is 1 dm.find the area of the curved surface in cm².
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diameter =4.2 dm = 4.2*10=42 cm
radius = 42/2= 21 cm
height = 10 cm
csa=2πrh
2*22/7*21*10
132 *10
1320 cm ^2
radius = 42/2= 21 cm
height = 10 cm
csa=2πrh
2*22/7*21*10
132 *10
1320 cm ^2
siddhant7777:
thanks
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