LINES AB AND AC ARE TANGENTS TO A CIRCLE AT POINTS B AND C RESPECT...

43. Lines AB and AC are tangents to a circle at points B and C respectively. Minor arc BC is 7 π inches,

and the radius of the circle is 18 inches. What is the number of degrees in angle BAC?

(A) 90 °

(B) 95 °

(C) 70 °

(D) 100 °

(E) 110 °