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OpenStudy (anonymous):
.Andy is building a model of a square pyramid for a class project. The side length of the square base is 11 inches and the slant height of the pyramid is 15 inches. What is the surface area of the model pyramid?
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OpenStudy (anonymous):
Here are the choices 451 in.2 203.5 in.2 286 in.2 330 in.2
OpenStudy (anonymous):
11x 15 = 165 165x.5= 82.5 x4= 330 11x11=121 121+330= 451
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