Answer:
4 - 3j
Step-by-step explanation:
Associative Propety
(a + b) + c = a + (b + c)
A tangent line creates a 90 degree angle with a radius line that touches the tangent Line.
Line BC is a radius that touches the tangent line at point C
The angle created is 90 degrees.
The answer is C. 90 degrees.
