3 years ago

What is the formula for a pyramid?

Mathematics

1 answer:

densk [106]3 years ago

3 0

Answer:

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The general formula for the total surface area of a regular pyramid is T. S. A. =12pl+B where p represents the perimeter of the base, l the slant height and B the area of the base.

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Helen [10]

Answer:

im not sure but i think its D

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3 years ago

The volume of a sphere is found using the formula . If the volume of a sphere is 36 , what is the radius, in feet?

aev [14]

$V=\frac{4}{3}.\pi.r^3\\
\\
\frac{4}{3} \pi.r^3=36\\
\\
4 \pi r^3=108\\
\\
r^3=\frac{108}{4 \pi}=\frac{27}{\pi}\\
\\
r =\sqrt[3]{\frac{27}{\pi}}= \frac{3}{1,46} \approx 2,05 \ ft$