Question

* ANSWER PLEASE *
We have a circle with center A with an arc CB with a measure of 180°. What is the measure of angle D?

Answer 1

Answer:

90

Step-by-step explanation:

You can look at it from 2 perspectives:

1.The angle that is in front of a diameter is always 90°

OR

2. Central angle is twice any inscribed angle subtended by the same arc