Trigonometric Equations Question 143
Question: The angle of elevation of the top of a tower from a point 20 metre away from its base is 45o. The height of the tower is
[MP PET 1984, 89]
Options:
A) 10 m
B) 20 m
C) 40 m
D) $ 20\sqrt{3} $ m
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Answer:
Correct Answer: B
Solution:
- $ \tan 45^{o}=\frac{h}{20}\Rightarrow h=20m $ .
BETA
