Asked by Kelechi
A cylinder cup has a circujar base of radius 7cm and height of 10cm.taking the value of 22/7 calculate (a)its curved surface area
Answers
Answered by
oobleck
if you unwrap the cup, the curved surface is just a rectangle whose
length is the circumference of the cup
height is the height of the cup
so, the area is 2πrh
now just plug in your numbers.
length is the circumference of the cup
height is the height of the cup
so, the area is 2πrh
now just plug in your numbers.
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