Mathematics, 19.07.2019 02:20, luisgonz5050

Mary is explaining the angle relationship of the interior angles of triangles to a coworker. she states that the angles should always add up to 180°. how can mary prove that this is true? (hint: imagine taking the angles and putting them side by side.)

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Mary is explaining the angle relationship of the interior angles of triangles to a coworker. she sta...