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A right triangle has legs 6 and 8. The length of the hypotenuse is:
A$12$
B$10$
C$14$
D$48$
Answer & Solution
Correct answer: B. $10$
By Pythagoras: hypotenuse² = 6² + 8² = 36 + 64 = 100. Hypotenuse = 10. This is the 6-8-10 triple (3-4-5 doubled).
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