The circumference of the trunk of a tree (cylinder) is 44dm find the volume of the timber obtained from the trunk if the length of the trunk is 5 m.
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circumference of circular part of cylindrical tree=2.pi.r= 44dm=2 x 22/7 x r
r=7dm=0.7m
now volume of timber=pi.r^2.h
=22/7 x (0.7)^2 x 5
=7.7m^3
r=7dm=0.7m
now volume of timber=pi.r^2.h
=22/7 x (0.7)^2 x 5
=7.7m^3
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