Hi guys! can u tell me how to solve question no 2?
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Given we have,
Volume = 48 pi cm^3
Height = 7 cm
pi r^2 h = 48 pi
r^2 * 7 = 48
r^2 = 48/7
r = square root of 48/7
r = 2.61
LSA = 2 pi r h = 2 pi *2.61*7 = 114.79 cm^2
TSA = 2 pi r (r+h) = 2 pi *2.61(2.61+7) = 157.59 cm^2.
Volume = 48 pi cm^3
Height = 7 cm
pi r^2 h = 48 pi
r^2 * 7 = 48
r^2 = 48/7
r = square root of 48/7
r = 2.61
LSA = 2 pi r h = 2 pi *2.61*7 = 114.79 cm^2
TSA = 2 pi r (r+h) = 2 pi *2.61(2.61+7) = 157.59 cm^2.
rubisharma84:
wlcm
Answered by
1
thats the final answer i got.
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