The ratio of the 3 side lengths of a triangle is 2:5:7. The perimeter – InterviewSolution

1.	The ratio of the 3 side lengths of a triangle is 2:5:7. The perimeter of a triangle is 91cm. What is the length, in centimeters, of the shortest side of the triangle?
Answer» 13 cmStep-by-step explanation:SINCE the RATIO of the sides is 2:5:7, let US assume the sides to be 2x, 5x and 7X.2x + 5x + 7x = 9114x = 912x = 13x = 13/2Therefore length of the shortest side would be 2x = 13 cm

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