Question

←

AD is tangent to circle B at point C.
What is the measure of ZBCA?
A. 90
B. 180
C. 50
D. 40

Answer 1

should be 90 like ^^ they said

Answer 2

A. 90

Explanation:

tangent line has to form a right angle (90°) with the radius of the circle, therefore ∠C has to be 90°