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  1. Which of the following ratios can be the ratio of the sides of a right angled triangle?
    1. 9 : 6 : 3
    2. 13 : 12 : 5
    3. 7 : 6 : 5
    4. 5 : 3 : 2
Correct Option: B

In a right angled triangle,
Perpendicular² = base² + perpendicular²
13² = 12² + 5² = 144 + 25 = 169
⇒ 13 : 12 : 5


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