SOLUTION: if i know the three side lengths of an isosceles triangle how do i figure out the area?

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Question 501582: if i know the three side lengths of an isosceles triangle how do i figure out the area?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Draw a line (the altitude) from the apex that bisects the base and forms 2 equal right triangles. Determine the length of the altitude from the Pythagorean theorem, a^2+b^2=c^2. Use A=.5ab for the area.
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Ed