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Use an algebraic equation to solve the problem. the sides of a triangle are in the ratio 3 : 4 : 5. what is the length of each side if the perimeter of the triangle is 90 cm?
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Use an algebraic equation to solve the problem. the sides of a triangle are in the ratio 3 : 4 : 5. what is the length of each side if the perimeter of the triangle is 90 cm?

User AntonyW
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8.4k points

1 Answer

4 votes
3x+4x+5x=90

12x=90

x=15/2 so the sides are:

22.5cm, 30cm, 37.5cm
User Paul Floyd
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8.2k points
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