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zhenek [66]
3 years ago
13

A pyramid has a square base with side s. The height of the pyramid is 2/3 that of its side. What is the expression for the volum

e of the pyramid?
Mathematics
2 answers:
Vesna [10]3 years ago
4 0

Answer:

The required expression for the volume of pyramid is V=\frac{2s^3}{9}

Step-by-step explanation:

Consider the provided information.

A pyramid has a square base with side s. The height of the pyramid is 2/3 that of its side.

The volume of pyramid is: V=\frac{lwh}{3}

Where, l is base length, w is base width and h is the height.

It is given that the base is square therefore, l=s and w=s.

The height of pyramid is \frac{2}{3}s

Substitute the respective values in the above formula.

V=\frac{s\times s\times \frac{2s}{3}}{3}

V=\frac{2s^3}{9}

Hence, the required expression for the volume of pyramid is V=\frac{2s^3}{9}

Alona [7]3 years ago
3 0
<span>I think the height is 2/3 that of a side of the base. If that is correct, then the height is h = 2/3s.

The formula for the volume of a pyramid is \[V=\frac{ 1 }{ 3 }s ^{2}h\]

Normally it would be B for base area, but since this is a square and the height is in terms of s, that would be the formula.

If we find the area based on the fact that h = 2/3s, then it appears that the formula would be

V=1/3s^2 x 2/3s

If you multiply that all out, it would be V= 2 / 9s ^3
</span>
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