Question

AB and BC are tangents of the circle with the center at D. The measure of ACD = 25o. Which is the measure of ABC?

Answer 1

A. 25o B. 50o C. 90o D. 130o

Answer 2

oh, that o is degree ?

Answer 3

AD=CD ( radius of the circle)
For a triangle angles opposite to equal angles are equal so
\[angle\ ACD=angle\ CAD=25\]