SOLUTION: The two congruent sides of an isosceles triangle are measured 25cm each.If the height of the triangle is 15cm,what is its area?

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Question 1062685: The two congruent sides of an isosceles triangle are measured 25cm each.If the height of the triangle is 15cm,what is its area?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The height cuts the isosceles triangle into two congruent right triangles, and twice the base of either of these is the base of the original isosceles triangle.

b%5E2%2B15%5E2=25%5E2

b=sqrt%2825%5E2-15%5E2%29

b=20

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Base is therefore 2%2A20=40.

AREA: %281%2F2%2940%2A15
highlight%28300%29