Question

7. The sides of a triangle are in the ratio 4:5:6. The perimeter of the triangle is 45 cm. Find the sides of
the triangle.
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Answer 1

let all numbers be 4x : 5x : 6x

4x + 5x + 6x = 45

15x = 45

x = 45/15

x = 3

4x = 4×3 = 12

5x = 5×3 = 15

6x = 6×3 = 18

Hence , 12 , 15 , 18 are the sides of triangle

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