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?
Answers
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
:)
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