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Aptitude · Q244

Geometry

Competitive Exams · Aptitude · question 244

Q244

In a circle with centre O, a diameter AB is produced to a point P lying outside the circle and PT is a tangent to the circle at the point C on it. If ∠BFT = 36°, then is the measure of ∠BCP?

A.
24°
B.
18°
C.
36°
D.
27°
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Geometry mcq question image
∠BCP = ?
∠PCO = 90°   (PT is a Tangent)
In ΔPCO
∠COB = 180° - (36° + 90°) = 54°
Let ∠OCB = ∠OBC = θ   (∵ OC = OB)
In ΔOCB
2θ = 180°- 54°
θ = 63°
∠BCP = 90° - 63° = 27° Answer