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प्रश्न
If the sides of a rectangle are 6 cm and 8 cm then the length of its diagonal is ______.
पर्याय
9 cm
10 cm
12 cm
14 cm
MCQ
रिकाम्या जागा भरा
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उत्तर
If the sides of a rectangle are 6 cm and 8 cm then the length of its diagonal is 10 cm.
Explanation:
The diagonal is the hypotenuse of a right triangle with legs 6 cm and 8 cm.
By the Pythagorean theorem:
Diagonal = `sqrt(6^2 + 8^2)`
= `sqrt(36 + 64)`
= `sqrt(100)`
= 10 cm
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