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In a circle, chord subtends an angle of at the centre. Another chord is equal in…
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In a circle, chord
A
B
AB
A
B
subtends an angle of
60
∘
60^\circ
6
0
∘
at the centre. Another chord
C
D
CD
C
D
is equal in length to
A
B
AB
A
B
. What is the measure of
∠
C
O
D
\angle COD
∠
C
O
D
? (a)
120
∘
120^{\circ}
12
0
∘
(b)
60
∘
60^{\circ}
6
0
∘
(c)
30
∘
30^{\circ}
3
0
∘
(d)
90
∘
90^{\circ}
9
0
∘
Related theory
Chord Properties
Circles
Equal chords and their distances
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