a wooden pole 7m high and 20cm in diameter. find its weight if the wood weighs 225kg per m cube
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Answered by
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Answer: 49.5 kg plz mark as brainliest
Step-by-step explanation:
height of cylinder = 7m
radius of cylinder = 10 cm = 0.1 m
volume of cylinder= ∧r^2h
= 22/7 *0.1 * 0.1 * 7
= 0.22 m^3
weight of wood = 225 kg per m cube
= 225* 0.22
= 49.5 kg
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Answered by
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we have to find the volume for The weight of the wooden pole.
the wooden pole will be in cylinder shape.
volume of a cylinder = pi×r^2×height
pi=22/7
diameter=20cm
radius= d/2
=20/2
=10cm
radius = 10cm=0.1m
volume of the cylinder
= 22/7×0.1×0.1×7=0.22
0.22m^3
per m^3= 225kg
0.22m^3=0.22×225
=49.5kg
hope it helps and please mark brainliest
the wooden pole will be in cylinder shape.
volume of a cylinder = pi×r^2×height
pi=22/7
diameter=20cm
radius= d/2
=20/2
=10cm
radius = 10cm=0.1m
volume of the cylinder
= 22/7×0.1×0.1×7=0.22
0.22m^3
per m^3= 225kg
0.22m^3=0.22×225
=49.5kg
hope it helps and please mark brainliest
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