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The perimeter of two similar traingles …

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The perimeter of two similar traingles traingle ABC and trianglr PQR are 35cm and 45cm respectively then the ratio of the areas of the areas of the two traingles is.............

Posted by Amit Sahu 6 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Aadya Singh ? 6 years, 2 months ago

As we know the theorem, ratio of the area of 2 similar traingles is equal to the square of the perimeter of corresponding similar traingles. Since , ratio of perimeter = 35/45 = 7/9 . So, ratio of areas of 2 traingles = (7/9)^2 = 49/81

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