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aman tandon

· started a discussion

· 1 Months ago

wrong answer (Question: 188068.0 )

in ques 45 is given first so we should consider it iv n numerator and option A must be correct

Question:
If the arcs of the same length in two circles subtend angles of 45° and 75° at the centre, then the ratio of their radii is —
Options:
A) 3 : 5
B) 5 : 3
C) 2 : 5
D) None of these
Solution:
Ans: (b)


Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Please read the solution carefully= r1/r2 = angle subtended by second circle/angle subtended by First circle, thus given answer is correct.

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