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प्रश्न
The trunk of a tree is cylindrical and its circumference is 176 cm. If the length of the trunck is 3 m. Find the volume of the timber that can be obtained from the trunk.
उत्तर
Given data is as follows:
Circumference = 176 cm
h = 3 m
We have to find the volume of the trunk.
We know that,
Circumference = `2pir`
Therefore,
`2pir = 176`
`2 xx 22/7 xx r = 176`
` r = 28 cm`
` r =. 28 m`
We know,
Volume = `pi r^2 h`
=`22/7 xx .28 xx .28 xx 3`
Volume =0.7392 m3
Therefore, the volume of timber that can be obtained from this trunk is 0.7392 m3
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