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Chords and of a circle with centre subtend equal angles of at the centre.
MATHEMATICS · Multi-part · CBSE · Mathematics · Circles · Circles
Problem
Chords
A
B
AB
A
B
and
C
D
CD
C
D
of a circle with centre
O
O
O
subtend equal angles of
50
∘
50^{\circ}
5
0
∘
at the centre. (i) What can you conclude about the lengths of
A
B
AB
A
B
and
C
D
CD
C
D
? (ii) State a brief reason for your conclusion.
Related theory
Circles
Circle angle properties
Angle subtended by a chord
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