ICSE Class X Math 2020 Solved Paper

Question : 21

Total: 29

In the given figure TP and TQ are two tangents to the circle with centre O, touching at A and C respectively. If ∠BCQ=55∘ and ∠BAP=60∘, find:

(i) ∠OBA and ∠OBC
(ii) ∠AOC
(iii) ∠ ATC.

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