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timama [110]
2 years ago
9

5. A solid has a circle of radius r as its base. All sections of the solid perpendicular to the diameter along the x-axis are is

osceles right angled triangles. Find the volume of the solid.(Hint: you have to distinguish two cases). 2
Mathematics
1 answer:
AleksandrR [38]2 years ago
4 0

Answer:

 \frac{16r^3}{3}

Step-by-step explanation:

In this cross sections problem, we can integrate from -r to +r (so that the integral covers the entire base of the solid).

\int\limits^r_a {2(x^2+r^2 )} \, dx

The formatting for the integral did not let me put -r on the lower bound, so i replaced it with a, just know that a represents -r here.

Evaluating the integral gives use that it is equal to;

\frac{16r^3}{3}

Caution: this answer may not meet your needs, but this is the answer I have come up with with the given information.

If you found this answer helpful please consider leaving 5 stars, giving it a like, or if you asked this question, mark this answer as Brainliest. Thanks!

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