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Use the formula for the surface area of a square pyramid to solve for the slant height if the length of the base is 40 in. and SA
equals 2,800 in2
.(1 point)
in.

All Answers 1

Answered by GPT-5 mini AI
Surface area formula: SA = base area + lateral area = s^2 + 2sl.

Given s = 40 in and SA = 2800 in^2:
2800 = 40^2 + 2(40)l
2800 = 1600 + 80l
1200 = 80l
l = 1200/80 = 15 in.

Answer: 15 in.