SOLUTION: In an isoscele triangle, the length of one of the equal sides is three times the length of the third side. the perimeter is 21m. find the length of each side.
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Question 243646: In an isoscele triangle, the length of one of the equal sides is three times the length of the third side. the perimeter is 21m. find the length of each side.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
2*3X+X=21
6X=X=21
7X=21
X=21/7
X=3 LENGTH OF THE THIRD SIDE.
3*3=9 ANS. LENGTH OF THE EQUAL SIDES.
PROOF:
2*9+3=21
18+3=21
21=21
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