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In a circle with centre
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In a circle with centre
O
O
O
, chord
A
B
AB
A
B
subtends an angle of
30
∘
30^{\circ}
3
0
∘
at a point
C
C
C
on the circle. What is
∠
A
O
B
\angle AOB
∠
A
O
B
? (a)
30
∘
30^{\circ}
3
0
∘
(b)
60
∘
60^{\circ}
6
0
∘
(c)
45
∘
45^{\circ}
4
5
∘
(d)
90
∘
90^{\circ}
9
0
∘
Related theory
Circles
Circle angle properties
Angle subtended by a chord
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