Ab is a diameter . The tangent at c meets ab produced at q ,
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1
If Q is the rafius of the circle then angle QCBis a right angle
Step-by-step explanation:
This is because tadius drawn to the point of contact of a tangent is perpendicular. (Theorem)
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4
AB is a diameter of a circle.
ACB=90°,
in triangle ABC,
angle A+ angle B+ angle C=180°
34°+angle CBA +90°= 180°
angle CBA=56°.
ACB=90°,
in triangle ABC,
angle A+ angle B+ angle C=180°
34°+angle CBA +90°= 180°
angle CBA=56°.
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