Question

prove that the tangent drqwn at the end of diameter of a circle are parellel
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Answer 1

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Answer 2

Answer:

given,a circle with centre o and tangents PA and QB are the tangents drawn at the points A and B.

To prove-PA and PB are parallel

proof

since radius is perpendicular to the tangent

so,

Step-by-step explanation:

<OAP=90°---1

SIMILARLY

<OBQ=90°----2

ADDING 1 AND 2

<OAP+<OBQ=180°

SINCE ,THEY ARE ON THE SAME SIDE AB SO PA AND PB ARE PARALLEL.

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