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Question
Do sides 7 cm, 24 cm, 25 cm form a right angled triangle ? Give reason
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Solution
In the triplet (7, 24, 25),
72 = 49, 242 = 576, 252 = 625 and 49 + 576 = 625
The square of the largest number is equal to the sum of the squares of the other two numbers.
∴ Sides 7 cm, 24 cm, 25 cm form a right angled triangle.
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