Question

The trunk of a tree is cylindrical and the circumference is 176 cm.If the length of the trunk of the tree is 3 m, find the volume of the timber that can be obtained from the trunk.

Answer 1

2×22÷7×r=176
r=176×7÷44
r=28cm
h=3m=3000cm
v=22/7×r×r×h
v=22÷7×28×28×3000
v=7,392,000cm3 or7.392m3

Answer 2

2×22÷7×r=176
r=176×7÷44
r=28cm
h=3m=3000cm
v=22/7×r×r×h
v=22÷7×28×28×3000
v=7,392,000cm3 or7.392m3