In the following figure, PA and PB are tangents from a point P to a circle with centre O. Then the quadrilateral OAPB must be a
A. Square
B. Rhombus
C. Cyclic quadrilateral
D. Parallelogram
Answer:C
In the following figure, PA and PB are tangents from a point P to a circle with centre O. Then the quadrilateral OAPB must be a
A. Square B. Rhombus C. Cyclic quadrilateral D. Parallelogram
Explanation: Since tangent and radius intersect at right angle,