Quantitative Aptitude Ques 2001
Question: A circle of radius 10 cm has an equilateral triangle inscribed in it. The length of the perpendicular drawn from the centre to any side of the triangle is
Options:
A) $ 2.5\sqrt{3}cm $
B) $ 5\sqrt{3}cm $
C) $ 10\sqrt{3}cm $
D) $ 5cm $
Show Answer
Answer:
Correct Answer: D
Solution:
- Circum radius $ =\frac{2}{3}\times Height $
$ Height=\frac{10\times 3}{2}=15cm $
So, length of perpendicular drawn from centre
$ =15-10=5cm $