SOLUTION: Each of the equal sides of an isoceles (two sides equal) triangle is 2 times the third side. The perimeter of the triangle is 20m. Find the sides of the triangle.

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Question 240409: Each of the equal sides of an isoceles (two sides equal) triangle is 2 times the third side. The perimeter of the triangle is 20m. Find the sides of the triangle.
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
2X+2X+X=20
5X=20
X=20/5
X=4 LENGTH OF THE THIRD SIDE
2*4=8 LENGTH OF THE 2 EQUAL SIDES.
PROOF:
8+8+4=20
20=20