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callmedarthvadorplz
25.12.2019 •
Mathematics
The base of a solid is the circle x^2 +y^2=9 and each cross section perpendicular to the x-axis is an equilateral triangle with one side across the base. find the volume of the solid.
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Ответ:
Now, each cross section's base is the distance from the top half of the circular base to the lower half. You have
This means the vertical distance is
So, the volume of such a solid is given by
where the first equality comes from the fact that the circle is symmetric across the y axis.
Ответ:
yeah
Step-by-step explanation: