Interior is inside the triangle, box or whatever shape you have. Exterior angles are created by lines that extend past the confines of the shape. An example of an exterior angle would be the angle the table makes with a triangular prism sitting on top of it (should be greater than 90 degrees in this example). An interior angle angle is the angle created by the prism itself (Should be less than 90 degrees in this example).ha just kiddin dats not the right answer
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Exterior angle+interior angle=180 degrees and 180-exterior angle=interior angle
It is: 180-interior angle = exterior angle
Interior angle 177.12 degrees Exterior angle 2.88 degrees
180 minus interior angle = exterior angle
180 minus interior angle = exterior angle