railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
AB is a diameter of a circle with centre O. If C is any point on the circle such that ∠BAC = 42°, then find the measure of ∠BOC.
1
84°
2
42°
3
60°
4
63°