Math, asked by factsmadeeasy1, 4 days ago

solve this question from class 9 circles maths, NO SPAMMING OR YOU WILL GET REPORTED AND BANNED.​

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Answered by karanamanpaswan
0

Answer:

answer book ma hai answer

Answered by MissQueenOfFashion
2

Answer:

Given, ∠AOB=110

In △AOB

OA=OB (Radius of the circle)

Thus, ∠OAB=∠OBA (Isosceles triangle property)

Sum of angles of the triangle = 180

∠AOB+∠OAB+∠OBA=180

110+2∠OBA=180

∠OBA=35

Since, PQ is a tangent touching the circle at B.

Thus, ∠OBQ=90

Now, ∠ABQ+∠OBA=90

∠ABQ+35=90

∠ABQ=55

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