please answer with explanation only Q 10
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(a)C.S.A of cylinder=308
2pie r h=308
2x22/7xrx14=308
88xr =308
r =308x1/88
r =3.5
volume of cylinder=pie r^2h
=22/7x3.5^2x14
=22x12.25x2
=539cm
(b)volume of cylinder=1540
pir r^2h=1540
22/7x7^2xh=1540
22/7x49xh=1540
h=1540x1/7x1/22
h=10cm
C.S.Aof cylinder=2pie r h
=2x22/7x7x10
=440cm^2
hope it hlps u
2pie r h=308
2x22/7xrx14=308
88xr =308
r =308x1/88
r =3.5
volume of cylinder=pie r^2h
=22/7x3.5^2x14
=22x12.25x2
=539cm
(b)volume of cylinder=1540
pir r^2h=1540
22/7x7^2xh=1540
22/7x49xh=1540
h=1540x1/7x1/22
h=10cm
C.S.Aof cylinder=2pie r h
=2x22/7x7x10
=440cm^2
hope it hlps u
Tanushree11:
yes your answer is correct
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