In a circle, is a diameter and and are two other points on the circle forming…

MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles

Problem

In a circle,

A B

is a diameter and

C

and

D

are two other points on the circle forming quadrilateral

A B C D

. If

\angle C A B = 25^{\circ}

, find

\angle A D C

. (a)

90^{\circ}

(b)

65^{\circ}

(c)

115^{\circ}

(d)

155^{\circ}