Triangle ABC, shown in the diagram below, is an isosceles triangle.
A
30°
B
D C
If the measure of ZCAB is 30°, what is the measure of ZABC?


Triangle ABC Shown In The Diagram Below Is An Isosceles Triangle A 30 B D C If The Measure Of ZCAB Is 30 What Is The Measure Of ZABC class=

Answer :

Answer: 75

This is how I did it: We know that triangles add up to 180, so subtract the known angle from 180 and you'll get 150. Then divide 150 by 2 to find out the other two angles and you'll get 75.

180-30=150

150÷2=75

So the answer is 75

:)