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The sum of the measures of two exterior angles of a triangle is 225. What is the measure of the third exterior angle?
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The sum of the measures of two exterior angles of a triangle is 225. What is the measure of the third exterior angle?

User Ekj
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exterior angles add up to 360, so you subtract 360 from 225 which equals 135, so the measure of the third exterior angle is 135.
User PhillyNJ
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