Question

BE is the diameter of circle A. What's the measure of ∠BCE?Question options:1) 90°2) 88°3) 180°4) 93°

Answer 1

Note that the angle opposite to the diameter is always a right angle which is equal to 90 degrees.

From the figure, angle BCE is opposite to the diameter BE, therefore angle BCE is 90 degrees.

The answer is 1) 90 degrees