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shmote12
21.09.2019 •
Mathematics
Find the volume of the composite figure. the cone is a square cone
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Ответ:
we can see that
upper part is cone
bottom part is cylinder
Volume of cone:
we are given
now, we can use volume formula
now, we can plug values
and we get
Volume of cylinder:
we are given
now, we can use volume formula
now, we can plug values
and we get
now, we can add both volumes
we get
Ответ:
Step-by-step explanation:
The volume of a cone like this is given by:
Where:
And the volume of a cylinder is given by:
Where:
Now, let:
The volume of the composite figure will be given by:
Since the cone and the cylinder in the composite figure share the same radius:
Now, using the data provided, the volume of the cone is:
And the volume of the cylinder is:
Finally, the volume of the composite figure is:
Ответ: