SOLUTION: Two sides of a triangle have the same length. The remaining side is one third as long as each of the other sides. If the perimeter of the triangle is 315 cm, what is the length of
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Question 399885: Two sides of a triangle have the same length. The remaining side is one third as long as each of the other sides. If the perimeter of the triangle is 315 cm, what is the length of each side?
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
Let's have x be the length of side. We can set up the following equation.
x+x+1/2(x)=315
Combine like terms.
5/2 x=315
Multiply both sides by 2/5 to get:
x=126
There we go, the equal sides are 126 cm and the 3rd side 63 cm.
Make sense?
RJ
www.math-unlock.com
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