Answer:In geometry, an angle measure can be defined as the measure of the angle formed by the two rays or arms at a common vertex. Angles are measured in degrees ( °), using a protractor. Fun Facts. The protractor was invented by Joseph Huddart in 1801. It was a more complex form of protractor.
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Good Morning my favorite is Attack on Titan.
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ceb
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they're both on the same line (AC) and add up to 180
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The answer is 8 hope this helps all u have to do is figure out what two numbers added togher give you 18
