The pyramid shown has a square base that is 12 centimeters on each side. The slant height is 18 centimeters. What is the surface area of the pyramid?

(1) Answers

576 because the triangle in the pyramid would be 216 divided by 2 is 108 since there is 4 triangles to a pyramid you multiply by 4 and that is 432. Then you add the area of the square which is 144 and add that to 432 which makes it 576

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