the total surface of right circular cylinder is 2112cm² and the radius of its base is 14 cm find its height
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the total surface of right circular cylinder is 2112cm² and the radius of its base is 14 cm find its height
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TSA=2πrh+2πr
2
2112=2πr(h+r)
2112=2π∗14(h+14)
h+14=
2∗14∗22
2112∗7
h+14=
2∗22
1056
h+14=
22
528
h+14=24
h=24−14
h=10cm
h=10.01cm
Step-by-step explanation:
radius=14cm
surface area=2112cm
A=2πrh+2πr²
h=A/2πrh-r=2112/2.π.14-14
=10.00966cm