NCERT Mathematics Class 9 Exemplar Ch 10 Circles Part 8

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Q.13. In Fig. 10.20, O is the centre of the circle, Find x and y.

O is the centre of the circle, ∠BCO = 30°

O is the Centre of the Circle, ∠BCO = 30°

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Answer:

Q.14. In Fig. 10.21, O is the centre of the circle, and Find ∠CAB.

O is the centre of the circle, BD = OD and CD ⊥ AB

O is the Centre of the Circle, BD = OD and CD ⊥ AB

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Answer: