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JAMB Mathematics 2022 Paper

Question : 10

Total: 39

^{2}

and height 7.5cm. Find its volume?

Solution:

Concept:

A rectangular pyramid has a base area

A = 24\,\mathrm{cm}^2

and a perpendicular height

h = 7.5\,\mathrm{cm}

The volume of any pyramid is one-third of the base area times the height.

Explanation:

Volume formula:

V = \frac{1}{3} \times \text{base area} \times \text{height}

Substitute the given values:

V = \frac{1}{3} \times 24 \times 7.5

First,

24 \times 7.5 = 180

Then,

V = \frac{180}{3} = 60

So the volume is

60.0\,\mathrm{cm}^3

Answer:

V = 60.0\,\mathrm{cm}^3

Therefore, the correct option is D. $60.0\,\mathrm{cm}^3$ .

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