Trigonometric Equations Question 173
Question: A tree is broken by wind, its upper part touches the ground at a point 10 metres from the foot of the tree and makes an angle of $ 45^{o} $ with the ground. The total length of tree is
[BIT Ranchi 1992]
Options:
A) 15 metres
B) 20 metres
C) $ 10,(1+\sqrt{2}) $ metres
D) $ 10,( 1+\frac{\sqrt{3}}{2} ) $ metres
Show Answer
Answer:
Correct Answer: C
Solution:
- Obviously, the length of the tree is equal to $ 10+10\sqrt{2}=10(1+\sqrt{2})m $ .
BETA
