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Question

Find the surface area of the square pyramid shown below.

A
856 sq. in
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B
512 sq. in
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C
544 sq. in
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D
800 sq. in
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Solution

The correct option is D 800 sq. in
We know,
Surface area of pyramid = Area of the base + Sum of the areas of the 4 lateral triangular faces

Area of the base (square) = 16×16 sq. in

Area of 4 triangular lateral faces =4×12×17×16

Total surface area of the pyramid =(16×16)+(4×12×17×16)

=256+544

=800 sq.in
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