Question

if each side of a triangle is increased by 4 cm the ratio of the perimeter of the new triangle and the given triangle is 7 ratio 5 find the perimeter of the given Triangle​

Answer 1

Answer:30 cm

Step-by-step explanation:P2/P1=7/5

P1 + 12/P1 = 7/5

5(P1 + 12 ) = 7/5

5P1 + 60 = 7P1

60 = 2P1

P1 = 30

Answer 2

Answer:

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