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CBSE Class 11-science Answered

If in two circles,  arcs of same length, subtend angles 120o and 150o at the centre, find the ratio of their radii.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Let r1 and r2 be the radii of the two circles. Given that
 
since length of each arc is same
so 
 
 
Answered by | 04 Jun, 2014, 03:23: PM
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