Trigonometric Identities Question 103
Question: The angle subtended at the centre of a circle of radius 3 metres by an arc of length 1 metre is equal to
[MNR 1973]
Options:
A) $ 20^{o} $
B) $ 60^{o} $
C) $ \frac{1}{3} $ radian
D) 3 radians
Show Answer
Answer:
Correct Answer: C
Solution:
Given that radius $ (r)=3m $ and arc $ (d)=1m $ We know that $ Angle=\frac{arc}{radius}=\frac{1}{3}radian. $
BETA
