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95 POINTS AND BRAINLYEST HURRY PLS!!! Julia made a model of a square pyramid. She used cardboard to construct the model with the dimensions shown. It has an open bottom. A square pyramid has a square base with side lengths of 8 centimeters, and 4 triangular sides with a height of 5 centimeters. What is the surface area of the model? 80 cm2 144 cm2 224 cm2 320 cm2

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browandbeauty22

Answer:

144 cm2

Step-by-step explanation:

The first step is to solve the surface area of the bottom square (8 times 8=64). The second step is to solbe for the surface area of the four triangles that pop up (l times w all divided by two=Area of a triangle, 5*8/2*4= 5*8*2=40*2=80). Then we add up the sides 64+80=144, which is the answer.

hallmanmaliah22

Answer:

The Answer is 80 cm2

Step-by-step explanation:

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