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 1062705: 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(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B15%5E2=25%5E2
x%5E2=25%5E2-15%5E2
x%5E2=400
x=20

BASE of triangle, 2x=2%2A20=40

AREA of triangle, %281%2F2%2940%2A15
OR
300