Math, asked by rajani10solnki, 1 year ago

In the given figure, O is the centre of a circle and BD is a diameter. AB and AC are tangents
touching the circle at B & C respectively. If angleBAC = 70° then angleOBC​

Answers

Answered by mintukush77
3

Answer:35°

Step-by-step explanation:

AB = AC ... by theorem

Therefore angle ABC = angle ACB =55°

Angle DBA =90° .... by theorem

Angle DBC =90°-55°= 35°

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