SOLUTION: The lengths of the sides of a triangle are in the ratio 3:4:6. The perimeter of the triangle is 143 cm. What is the length of the longest side?

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Question 1159734: The lengths of the sides of a triangle are in the ratio 3:4:6. The perimeter of the
triangle is 143 cm. What is the length of the longest side?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
3x+4x+7x are the side ratios and lengths, and 13x, their sum, is 143
x=11 cm
6x=66 cm