in given fig. O is the center of the circle, PQ is a tangent to the circle at A. if angle PAB=58°. find angle ABQ &AQB.
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i hope it hepls..... :)
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chingu25:
thnx a lot... its really helpful...
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Answer: angle ABQ is 32 degrees and angle AQB is 26 degrees
Step-by-step explanation:
Joining OA(radius),
OAB + BAP = 90 (radius is perpendicular to the tangent)
=> OAB + 58 = 90
=> OAB = 32
But,
OAB = ABQ (angles in an isosceles triangle are equal as OA and OB are radii)
Therefore, ABQ = 32
Also, BAP = ABQ + AQB (exterior angle property of a triangle)
=> 58 = 32 + AQB
=> AQB = 26
Hence, solved.
Hope this helps ! :)
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