You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including an 8-inch square as the bottom and you want the slant height to be 29 inches, how much poster board do you need?

a] 528 in ( to the 2nd power)
b] 576 in ( to the 2nd power)
c] 640 in ( to the 2nd power)
d] 768 in ( to the 2nd power)

Question

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including an 8-inch square as the bottom and you want the slant height to be 29 inches, how much poster board do you need?

a] 528 in ( to the 2nd power)
b] 576 in ( to the 2nd power)
c] 640 in ( to the 2nd power)
d] 768 in ( to the 2nd power)

anonymous · Answer

a

anonymous · Answer

Each side of the pyramid will be a triangle with an 8 in base and 29 in height. You will have four of those. The bottom of the pyramid will be a square that is 8 x8 in. If you find the area of all five sides, you will know the answer.