Mathematics · Geometry / Mensuration
Two circles A and B have radius r1 and r2, respectively. If two arcs of the same length subtend angles 51° and 68° at the centre of the circle A and B, respectively, then the ratio r1 : r2 is:
- 13 : 4
- 24 : 3✓
- 35 : 4
- 44 : 5
Correct answer
4 : 3
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