Question

the perimeter of triangle is 900m. Find the lengths of the sides which are in ratio 5:7:8​

Answer 1

Let the sides be 5x,7x and 8x.

Perimeter = Sum of all 3 sides

=> 900 m = 5x+7x+8x

=> 900 m = 20x

=> x = 900/20

=> x = 45m

Side 1 = 5x = 5*45 = 225 m

Side 2 = 7x = 7*45 = 315 m

Side 3 = 8x = 8*45 = 360 m

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