A. 30°
B. 60°
C. 90°
Step-by-step explanation:
We are asked to select the angle measures in a 30-60-90 right triangle.
We know that 30-60-90 triangle is a special right triangle, in which one angle measure 30 degrees, another angle measures 60 degrees and third angle measure 90 degrees.
Upon looking at our given choices we can see that option A, b and C are correct choice.