# Plz solve the whole worksheet except ques 1 and 2 solve the remaining solve all donot miss anything

1
by rajusetu
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2015-03-06T12:00:13+05:30

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3.) h=2 L
r=r/2
then total surface area=
=

4).the volume of cone and cylinder will be same
volume of the cylinder=πr²h
cylinder's r is= cone's r
let the height is h2
volume of the cone=
=πr²h
cancel pi and r
h=
ratio between h2 and h is 3:1

10. volume of a cone(v)=
=
now r=2r
h=2h
volume=
=
compare two equations....
so u will get volume=8v

12.)  r=r
volume of cone=
volume of cyliner= \pi r ^{2} H
v=v

height of the cone: height of the cylinder=1:3

8th qn is not clear..
7th qn is not clear...
i can't see the edge of the qn paper..it is not clear..wt can i do?
ques 5 to 9 and ques 11