Question

answer this question......................​

Answer 1

Answer:

OR perpendicular PR. ( tangent of cicles)

OQ perpendicular PQ

angle OQR =90°. ( sum of a quadrilateral)

a quadrilateral with all the angle right angle nay a square or rectangle.

but here we have two consucative side of 4 cm (radius of circle)

so it is a square.

so PQ =4 cm (side of a square.)

Answer 2

Here is the solution
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