Question

XY is a chord o centred circle and is any point on the circle. If <OXC = 45 <OCY is???​

Answer 1

Explanation:

Step-by-step explanation:

∠AOB+∠OAB+∠OBA=180°

(Angle Sum property)

100°

+2.∠OAB=180°

∠OAB=40°

→Radius OA is the perpendicular to the tangent at point A

∠OAT=90°

.

→Thus, ∠BAT=∠OAT−∠OAB

Thus, ∠BAT=90°

−40°

∠BAT=50°

Answer 2

Solution :-

∠AOB + ∠OAB + ∠OBA = 180°  (Angle Sum property)

100°  +2.∠OAB = 180°

∠OAB=40°

→ Radius OA is the perpendicular to the tangent at point A

∠OAT=90°  

→ Thus, ∠BAT=∠OAT−∠OAB

Thus, ∠BAT = 90°

−40°

∠BAT = 50°