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Deepak Bora
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Draw two concentric circles of radii 2 cm and 5 cm. Take a point P on the outer circle and construct a pair of tangents PA and PB to the smaller circle. Measure PA.

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CBSE 10th Class past year question paper

Year 2019

SET 1, Code Number-30/2/1

Question number – 26 (b)

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  1. With center O draw small circle with radius 2cm and big circle with radius 5cm.

    Take point P on big circle and connect point P and Point A.

    Bisect line PA and at the bisect point take point M.

    Take distance MO and draw circle with radius MO.

    At the matching point of OM radius circle with small circle of 2cm take point A and B.

    Now connect point P and Point A and Point P and Point B those two lines are tangent to the small circle.

    Now measure distance of line PA that is 4.5 Approximately.

    PA = 4.5 (Approximately)

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