On a circle, ten points A_1,A_2,A_3,\dots,A_{10} are equally spaced. If C is the center of the circle, what is the size, in degrees, of the angle A_1A_5C?
Answer Choices
A. 18
B. 36
C. 10
D. 72
E. 144
On a circle, ten points A_1,A_2,A_3,\dots,A_{10} are equally spaced. If C is the center of the circle, what is the size, in degrees, of the angle A_1A_5C?
Answer Choices
A. 18
B. 36
C. 10
D. 72
E. 144