The Exterior Angle Theorem Worksheet Answers. Worksheet Triangle Sum and Exterior Angle Theorem I. Angle Sum Property, Exterior Angle Theorem.
Because an exterior angle is equal to the sum of the opposite interior angles, it follows that it must be larger than either one of them. Exterior Angles of a Polygon Worksheet. More formal proofs using these arguments are shown below.
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The exterior angle is formed when we extend a side of a polygon.
View Triangle Sum and Exterior Angle Theorem WS ANSWERS from MATH Algebra at Miami Northwestern Senior High. It explains how to use it solve for x and y. For a triangle: The exterior angle d equals the angles a plus b.