ab is a diameter of a circle and P is any point on the circumference of the circle if angle P B equals to 40 degree then find angle p a b in degrees
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∠PAB = 50° if AB is Diameter & ∠PBA = 40°
Step-by-step explanation:
AB is Diameter of circle
P is any point on circumference
=> ∠APB = 90°
in Δ APB
∠PAB + ∠APB + ∠PBA = 180°
∠APB = 90°
∠PBA = 40° given
∠PAB = ?
∠PAB + 90° + 40° = 180°
=> ∠PAB = 50°
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