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Standard X
Mathematics
Shape Conversion of Solids
The largest c...
Question
The largest cone is curved out from one face of solid cube of side
21
c
m
. Find the volume of the remaining solid.
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Solution
As seen in the figure the maximum volume of cone that can be carved will be of radius = 0.5side length of cube
R
=
0.5
L
=
0.5
×
21
=
10.5
c
m
h=21cm
V
=
1
3
π
R
2
h
=
1
3
π
×
10.5
2
×
21
=
2424.52
c
m
3
Volume of wood left= Volume of cube-V
V
l
=
l
3
−
V
=
21
3
−
2424.52
=
21
3
−
2424.52
=
6836.5
c
m
3
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