If the angle subtended by the radius of a circle (OC) and the side BC of the triangle ABC at vertex B is 40° then calculate the value of ∠BAC.

If the angle subtended by the radius of a circle (OC) and the side B

1.	If the angle subtended by the radius of a circle (OC) and the side BC of the triangle ABC at vertex B is 40° then calculate the value of ∠BAC.
A.	35°
B.	45°
C.	50°
D.	65°
Answer» D. 65°

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If the angle subtended by the radius of a circle (OC) and the side BC of the triangle ABC at vertex B is 40° then calculate the value of ∠BAC.

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