You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a twelve -inch square as the bottom and you want the slant height to be fourteen inches, how much poster board do you need?
252 in^2
420 in^2
480 in^2
532 in^2

Question

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a twelve -inch square as the bottom and you want the slant height to be fourteen inches, how much poster board do you need?
252 in^2
420 in^2
480 in^2
532 in^2

antonio_xx2 · Answer

@hartnn

cwrw238 · Answer

you need to work out the total surface area of the pyramid 
which is the sum of the area of the base and the area of the 4 triangular sides

cwrw238 · Answer

area of the base = 12*12 sq ins

cwrw238 · Answer

can you work out the area of each triangle/

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