Here's the question you clicked on:
phanta1
Find each missing angle measure
Can you think of a way that you can use your knowledge of supplementary angles to help you?
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If you know that all of these pairs of angles individual adds up to 180*, that could help you. If... 1. (z-13)+w=180 2. (z)+(x)=180 3. (y)+(z+10)=180 You can find what z is equal to in terms of x (eqution 2.) and substitute this into the other two equations.