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In a right triangle, the smaller leg is (x) cm and the other leg is (x+7) cm. The hypotenuse is (13) cm. What is (x)?
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Answer and explanation
Correct answer: (5)
By Pythagoras, (x^2+(x+7)^2=13^2), giving (x=5). In a right triangle, always take the hypotenuse as the largest side.
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What is the correct answer to this question?
(5)
Why is this the correct answer?
By Pythagoras, (x^2+(x+7)^2=13^2), giving (x=5). In a right triangle, always take the hypotenuse as the largest side.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.
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