A,B and C are three points on a circle such that the angles subtended

1.	A,B and C are three points on a circle such that the angles subtended by the chords AB and AC at the centre O are 90∘ and 110∘ respectively. Then the measure of angle BAC is
Answer» $A, B$ and $C$ are three points on a circle such that the angles subtended by the chords $A B$ and $A C$ at the centre $O$ are $90^{\circ}$ and $110^{\circ}$ respectively. Then the measure of angle $B A C$ is

A,B and C are three points on a circle such that the angles subtended by the chords AB and AC at the centre O are 90∘ and 110∘ respectively. Then the measure of angle BAC is

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$A, B$ and $C$ are three points on a circle such that the angles subtended by the chords $A B$ and $A C$ at the centre $O$ are $90^{\circ}$ and $110^{\circ}$ respectively. Then the measure of angle $B A C$ is

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A,B and C are three points on a circle such that the angles subtended by the chords AB and AC at the centre O are 90∘ and 110∘ respectively. Then the measure of angle BAC is

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