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Points and lie on a circle in that order
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
Points
A
,
B
,
C
A, B, C
A
,
B
,
C
and
D
D
D
lie on a circle in that order. If
∠
A
C
B
=
42
∘
\angle ACB = 42^{\circ}
∠
A
C
B
=
4
2
∘
, prove that
∠
A
D
B
=
42
∘
\angle ADB = 42^{\circ}
∠
A
D
B
=
4
2
∘
.
Related theory
Circles
Circle angle properties
Angle subtended by a chord
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