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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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tuesdayiscoming894
for 3:4:5      3          4         5
                  22.5     30     37.5

If you multiply 3,4,and 5 by 7.5, you get 22.5, 30, and 37.5.

22.5+30+37.5=90

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