Answer: The measure of the missing angle is 25 degrees
Explanation:
A triangle equals 180 degrees so you would add the 100 degrees and 55 degrees and then subtract that from 180. Then you have your answer. :)
Answer:
Answer = 180 - (100 + 55)
Answer = 180 - 155
Answer = 25º
Hope that helps! :)
-Aphrodite
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