Question

if angle bcd is a straight angle, what is the measure of angle acg? multiple choice 4 points

Explanation:

Step1: Recall definition of straight - angle

A straight - angle measures 180 degrees. So, $\angle BCD=180^{\circ}$.

Step2: Analyze the position of $\angle ACG$

From the figure, $\angle ACG$ is a right - angle. A right - angle measures 90 degrees.

Answer:

90 degrees