Two congruent circles have centres P and P'. Arc AXB subtends an angle – InterviewSolution

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1.	Two congruent circles have centres P and P'. Arc AXB subtends an angle of 60∘ at the centre P and arc A'YB' subtends an angle of 20∘ at the centre P'. Then the ratio of arcs AXB and A′YB′ is ?
Answer» Two congruent circles have centres P and P'. Arc $A X B$ subtends an angle of $60^{\circ}$ at the centre P and arc A'YB' subtends an angle of $20^{\circ}$ at the centre P'. Then the ratio of arcs $A X B$ and $A^{'} Y B^{'}$ is ?

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