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jontonbon
02.11.2019 •
Mathematics
What is the volume of the item described?
a rocket in the shape of a cylinder with radius 6 m and height 16 m with a cone on top of radius 6 m and height 3 m.
select the exact answer in terms of π and the approximate answer rounded to the nearest whole number.
2149 m³
612 π m³
102 π m³
320 m³
1922 m³
684 π m³
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Ответ:
612 π m³
1922 m³
ExplanationThe body of the rocket is a cylinder; to find its volume, we are going to use the formula for the volume of a cylinder:
where
We know from our problem that the radius of the cylinder is 6 m and its height is 16 m, so let's replace the values:
The volume of the cylinder is![1810m^3](/tpl/images/0356/9027/ded47.png)
To find the volume of the cone, we are going to use the formula:
where
We know form our problem that the radius of the cone is 6 m and its height is 3 m, so let't replace the values:
Now, we just need to add the volumes in terms of
and the volumes rounded to the nearest whole:
Volume of the item in terms of π =![576\pi m^3+36\pi m^3=612\pi m^3](/tpl/images/0356/9027/a1aad.png)
Volume of the item rounded =![1809m^3+113m^3=1922m^3](/tpl/images/0356/9027/42430.png)
Ответ:
612 and 1922
Step-by-step explanation:
i got a A trust me
Ответ:
B
Step-by-step explanation: