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
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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
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Answer:
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