SOLUTION: The lateral surface area of a regular pyramid is 160 cm2 and the perimeter of the base is 40 cm. What is the slant height?

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Question 201069: The lateral surface area of a regular pyramid is 160 cm2 and the perimeter of the base is 40 cm. What is the slant height?
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
LA = (1/2) * per * l
.
LA =160 = .5 * 40 * l
.
l=8
.