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10-04-2017
Mathematics

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The ratio of the side lengths of a triangle is 2 : 3 : 4. The shortest side is 15 inches. What is the perimeter?

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alarmsdisturb alarmsdisturb

27-08-2018

2:3:4
Shortest is clearly 2
(2×7.5):(3×7.5):(4×7.5)
So the sides are 15 , 22.5 and 30
Perimeter = 15 + 22.5 + 30
Perimeter = 67.5

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