Trigonometric Identities Question 105
Question: The radius of the circle whose arc of length $ 15cm $ makes an angle of 3/4 radian at the centre is
[Karnataka CET 2002]
Options:
A) $ 10cm $
B) $ 20,cm $
C) $ 11\frac{1}{4}cm $
D) $ 22\frac{1}{2}cm $
Show Answer
Answer:
Correct Answer: B
Solution:
Angle $ =\frac{arc}{radius}=\frac{15}{(3/4)},cm $
Þ Radius = 20 cm.
BETA
