the circumference of the base of a cylinder is 132cm and it's height I'd 72cm. Find its lateral surface area.
Answers
Answered by
6
Circumference=132cm
2πr=132
2*22/7*r=132
44/7r=132
r=21cm
Height=72cm
Lateral surface area=2πrh
and so on.....
2πr=132
2*22/7*r=132
44/7r=132
r=21cm
Height=72cm
Lateral surface area=2πrh
and so on.....
Answered by
4
Circumference of circle= πr^2
132= 22/7 × r^2
132 × 7/22 = r^2
42= r^2
r=√42
r=7
Lateral surface area= 2πrh
= 2×22/7 × 7 × 72
= 3168 cm
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132= 22/7 × r^2
132 × 7/22 = r^2
42= r^2
r=√42
r=7
Lateral surface area= 2πrh
= 2×22/7 × 7 × 72
= 3168 cm
it helps. mark as brainliest.
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