if the lateral surface of a cylinder of height 5 cm is 94.2cm×cm ,then find the volume of the cylinder( use π =3.14)
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3
r=15
V=3532.5 cm ^3...
V=3532.5 cm ^3...
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4
Bro here is your answer .
Let r be the radius of the base of the cylinder.
height of cylinder , h = 5cm
LSA of the cylinder = 94.2 cm2
so, 2πrh = 94.2
⇒ 2 × 3.14 × r × 5 = 94.2
⇒ r = 94.2 / 10 × 3.14 = 94.2 / 31.4 = 3
so radius of the base = 3 cm
Let r be the radius of the base of the cylinder.
height of cylinder , h = 5cm
LSA of the cylinder = 94.2 cm2
so, 2πrh = 94.2
⇒ 2 × 3.14 × r × 5 = 94.2
⇒ r = 94.2 / 10 × 3.14 = 94.2 / 31.4 = 3
so radius of the base = 3 cm
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