My girlfriend is re-learning geometry. She has noticed that the sum of the angles of a triangle is equal to the measure of a straight angle and half the measure of a full revolution. She wants me to ask if there is any special relationship between a triangle and a straight angle or between a triangle and a circle that accounts for these similarities. I have no idea what to tell her, as I've never even thought of this sort of question before.(adsbygoogle = window.adsbygoogle || []).push({});

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# Relationship Between Triangles and Straight Angles

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