Mathematics, 31.03.2021 17:40 mprjug6

The net below can be folded to form a square pyramid atop a cube. The net consists of 5 congruent squares and 4 congruent triangles. A net of a square pyramid on top of a cube. The cube has side lengths of 4 centimeters. The pyramid has triangular sides with a height of 5 centimeters.

What is the surface area of the composite solid that can be formed by this net?
80 cm2
120 cm2
144 cm2
160 cm2 I know the answer its 144 but i want to know how to do it

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