THE circumference of the trunk of a tree cylindrical in shape is 132cm. Find the volume of timber that can be obtained form a trunk, if the length of the trunk is 1.5 m.
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Answer:
Circumference = C = 176 cm ; length = h = 3 m = 300 cm
Step-by-step explanation:
∴ 2 π r = 176
⇒ r = 176 / 2 π
⇒ r = 176 / 6.28 ( taking π = 3.14)
∴ r = 28.02 = 28 cm
Volume = π r 2 h
V = 3.14 x 28 x 28 x 300
V = 738528 cm 3
V = 0.738528 = 0.74 m 3
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