A circle is centered at O, \overline{A B} is a diameter and C is a point on the circle with \angle C O B=50^{\circ}. What is the degree measure of \angle C A B ?
Answer Choices
A. 20
B. 25
C. 45
D. 50
E. 65
A circle is centered at O, \overline{A B} is a diameter and C is a point on the circle with \angle C O B=50^{\circ}. What is the degree measure of \angle C A B ?
Answer Choices
A. 20
B. 25
C. 45
D. 50
E. 65