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Let AB be a line segment
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
Let AB be a line segment. Points C and D are on the same side of AB with
∠
A
C
B
=
2
x
∘
\angle ACB = 2x^\circ
∠
A
C
B
=
2
x
∘
and
∠
A
D
B
=
5
x
−
45
∘
\angle ADB = 5x - 45^\circ
∠
A
D
B
=
5
x
−
4
5
∘
. If A, B, C and D are concyclic, find the value of
x
x
x
.
Related theory
Circles
Circle angle properties
Angle subtended by a chord
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