RRB Junior Engineer Stage 1 Model Papers 3

Question : 20 of 100

Marks: +1, -0

PA and PB are two tangents drawn from an external point P to a circle with centre O where the points A and B are the points of contact. The quadrilateral OAPB must be

a square
concylic
a rectangle
a rhombus

Validate

Solution:

OAPB is concyclic because

∠A + ∠B = 180°

∠O + ∠P = 180°

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