Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the arcs of the same lengths in two circles subtend angles 
and 
at the centre, find the ratio of their radii.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
and 
be the radii of the two circles.
Given that 
radian
and 
radian
Let 
be the length of each of the arc.
Then 
, which gives
Hence, 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Find the radian measures corresponding to the following degree measures
(i) 15 º (ii) 240 º (iii) 5…
Find the degree measures corresponding to the following radian measures
(i) (ii) – 4 π
(iii) (iv)
Prove that :
(i)
(ii)
(iii)
(iv)
Find the value of :
(i) cos 210 ° (ii) sin 225 °
(iii) tan 330 ° (iv) cot (– 315 ° )
Prove that
(i) = cot 2 θ .
(ii)cos θ + sin (270 o + θ ) – sin (270 o – θ ) + cos (180 o + θ ) = 0.…
If tan θ = – 5/12, θ is not in the second quadrant, then show that
=