alleryA pole leans against a wall such that its tip is 24 m above ground and its foot is 7 m from the wall. The length of the pole is
A25 m
B24 m
C23 m
D20 m
Answer & Solution
Correct answer: A. 25 m
1. Pole forms hypotenuse of a right triangle with legs 24 and 7.
2. pole squared = 576 + 49 = 625.
3. pole = 25 m.
_Source: syllabus Mathematics, Ch 9 "Some Applications of Trigonometry", §9.2_
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