A cylindrical tree of circumference 176 cm is cut 3m long find the volume of wood obtained.
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Circumference of cylindrical trunk =176 cm
∴ Radius(r) = Circuference2π=176×72×22
=28 cm =0.28m
Length of trunk(h) =3m
∴ Volume =πr2h=227×(0.28)2×3
=227×0.28×0.28×3
=0.7392m3=0.74m3
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