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Hypotenuse of a right triangle is 17 cm and one leg is 8 cm. Other leg is
A15 cm
B9 cm
C12 cm
D16 cm
Answer & Solution
Correct answer: A. 15 cm
1. Use b^2 = c^2 - a^2 with c = 17 and a = 8.
2. b^2 = 289 - 64 = 225.
3. b = 15 cm.
4. So the other leg is 15 cm.
_Source: Selina Concise Mathematics Class 9, Ch on Pythagoras Theorem (Mistral OCR'd PDF), section on numerical example_
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