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Question
Which of the following can form the three sides of a right-angled triangle?
Which of the following can form the three sides of a right-angled triangle?
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Solution
The correct option is C 3cm, 4cm, 5cm
3, 4, 5 form a Pythagorean triplet i.e. the sum of the squares of 3 and 4 equals the square of 5. Apart from this combination, none can form a right-angled triangle as they do not make up a Pythagorean triplet.
3, 4, 5 form a Pythagorean triplet i.e. the sum of the squares of 3 and 4 equals the square of 5. Apart from this combination, none can form a right-angled triangle as they do not make up a Pythagorean triplet.
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