the volume of a cylinder is 448π cubic cm and the height is 7cm. find its total surface area
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0
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Answered by
1
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ANSWER
Volume =448πcm
3
height =7cm
πr
2
h=448π
r
2
×7=448
r
2
=64
r=8
lateral surface
Area =2πrh
=112πcm
2
Total surface Are
=2πrh+2πr
2
ANSWER
Volume =448πcm
3
height =7cm
πr
2
h=448π
r
2
×7=448
r
2
=64
r=8
lateral surface
Area =2πrh
=112πcm
2
Total surface Are
=2πrh+2πr
2
=112π+128π
=240πcm
2
=112π+128π
=240πcm
2
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