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The lengths of the sides of a triangle are in the extended ratio 5 ​: 7 ​: 10. The perimeter of the triangle is 110 cm. What are the lengths of the​ sides?

Guest Mar 9, 2017
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5 : 7 :10  indicates that there are 22  equal parts.....so

 

5 / 22  of 110  =   25

 

7 / 22 of 110  =  35       and

 

10 / 22 of 110  =  50

 

Check that   25 + 35 + 50   =   110

 

 

cool cool cool

CPhill  Mar 9, 2017

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