Question

Study the diagram of circle A, where BC is tangent to circle A at point C. Also, BC=3, BA=5, and AC is a radius.

What is the length of the radius, r?
A: 2
B: 4
C: 2.5
D: 1.5

Answer 1

4

Explanation:

Took test and got it right

Answer 2

the answer is B: 4

Explanation:

i have no explanation i just finished the test right now.