Question

24. If each side of a triangle is increased by 4 cm, the ratio of the perimeters of the new triangle and the given triangle is 7:5. Find the perimeter of the given triangle. Hint. Let the perimeter of given triangle be x cm. As each side is increased by 4 cm, so the perimeter is increased by (3 x 4) cm i.e. 12 cm. According to given information, 7 x+12 =- .] 5 r п ​

Answer 1

Answer:

THE PERIMETER OF GIVEN TRIANGLE IS 30 CM.

Step-by-step explanation:

If we increase each side of triangle which has perimeter 30 cm we get 4*3=12 cm+30 cm=42 cm

now, measure their ratios=42:30=42/30

both are divisible by 6 so simplified form=7/5 or 7:5

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