Use the net to find the surface area of the regular pyramid.

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Solution

Hint:
Step :Compute the required value.
The surface area of the square pyramid = Area of square $+$ area of lateral surfaces
Area of lateral surface's are $4$ [from figure]
The surface area of the square pyramid $= (4 \times 4 + 4 \times \frac{1}{2} \times 4 \times 3) s q . i n c h$
The surface area of the square pyramid $= (16 + 24) = 40 s q . i n c h$
Hence,the surface area of the square pyramid is $40 s q i n c h$ .

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