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The perimeter of a triangle is 60 centim...

The perimeter of a triangle is 60 centimeters and its sides are in the ratio `3: 4: 5 .` What are the lengihs of the sides?

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Since the ratio of the sides is `3: 4: 5`, their lengths are `3/12, 4/12, 5/12` of the perịmeter. So, the actual lengths (in centimeters) `=60 xx 3/12=15,60 xx 4/12 = 20^(circ)` `60 xx 5/12=25`
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