Answer:
D. AA
Step-by-step explanation:
We do not know height or length, so that rules out A, B, and C. This leaves us with D which is angle~angle, (37 and 90 degrees). Hope this helps. :)
The answer is D.
In similarity, the triangles have the same angles but different length of sides.
(Correct me if I am wrong)
The correct answer is B. (3,4)
The radius is always half of the diameter.