Homework Help: Geometry HELP

Posted by Ariel on Friday, June 4, 2010 at 1:29pm.

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?
a.) 4cm
b.) 8cm
c.) 10cm

Geometry HELP - MathMate, Friday, June 4, 2010 at 7:09pm
The lateral surface of a regular (right) pyramid is
A = (1/2) perimeter * slant height
Given A=160, and perimeter = 40,
try to figure out the slant height.
Geometry HELP - Ariel, Sunday, June 6, 2010 at 11:56pm
thanks :)

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