Each of the four interior angles of a square is 90 degrees in size, making the exterior angles 270° each (360° - 90°).
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Each exterior angle of a square measures 90 degrees
Each exterior angle of a square is 90 degrees and a square is a regular 4 sided quadrilateral
Each interior angle is 140 degrees. Each exterior angle is 220 degrees.
Interior angle: 135 degrees Exterior angle: 45 degrees
Each exterior angle measures 72 degrees