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rusak2 [61]
2 years ago
13

Find the surface area and volume of the pyramid. ​

Mathematics
1 answer:
serious [3.7K]2 years ago
6 0

Given:

The figure of a square base pyramid.

To find:

The area of volume of the pyramid.

Solution:

The area of square base is:

B=(side)^2

B=(16)^2

B=256

Area of one triangular side of the pyramid is:

A_1=\dfrac{1}{2}\times base\times height

A_1=\dfrac{1}{2}\times 16\times 13

A_1=104

Now, the total surface area of the pyramid is:

A=B+4A_1

A=256+4(104)

A=256+416

A=672

Therefore, the surface area of the pyramid is 672 square m.

The volume of the pyramid is:

V=\dfrac{1}{3}Bh

Where, B is the base area and h is the vertical height of the pyramid.

Substituting B=256,\ h=6, we get

V=\dfrac{1}{3}(256)(h)

V=(256)(2)

V=512

Therefore, the volume of the pyramid is 512 cubic meters.

Hence the correct option is d.

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