The net below can be folded to form a square pyramid.
What is the surface area of the pyramid?

Surface area of the square pyramid = 217.8 in²

Solution:

Side length of the square = 9 in

Area of the square = side × side

                                = 9 in × 9 in

                                = 81 in²

Area of the square = 81 in²

Perimeter of the base = 4 × 9 in = 36 in

Slant height of the triangle = 7.6 in

Surface area of the square pyramid

                            = 217.8 in²

Surface area of the square pyramid = 217.8 in²

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step-by-step explanation:

i think the answer is b