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kakasveta [241]
4 years ago
8

A laser pointer in the shape of a cylinder is 13 centimeters long with a radius of 1 centimeter. On top it has a cone-shaped tip

with a height of 3 centimeters. What is the volume of the laser pointer in terms of pi?
Mathematics
1 answer:
ivann1987 [24]4 years ago
6 0
We know that
volume of a cylinder=pi*r²*h
where
h=13 cm
r=1 cm
volume of a cylinder=pi*1²*13----> 13*pi cm³

volume of a cone=(1/3)*pi*r²*h
where
r=1 cm
h=3 cm
volume of a cone=(1/3)*pi*1²*3-----> pi cm³

volume of<span> the laser pointer=13*pi+pi-----> 14*pi cm</span>³
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