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What is the measure of angle w°? Show all work.

What is the measure of angle w°? Show all work.-example-1
User Jbochniak
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It is 100 degrees because angles z and w need to equal 180 and a triangles angles always answer 180 degrees with angle y being 20 and an 80 degree angle making angle z 80 degrees making angle w 100 degrees.
User Yoah
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