Question

these 3 angles form a straight angle. what is the sum of these 3 angles? the sum of the 3 angles is
degrees.

Explanation:

Step1: Recall straight angle definition

A straight angle is an angle that measures 180 degrees, formed by a straight line.

Step2: Apply to the problem

The three angles form a straight angle, so their sum equals the measure of a straight angle.

Answer:

180