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  1. Two angles whose measures have a sum of 90 degrees. Each angle is called the complement of the other.

  2. Study with Quizlet and memorize flashcards containing terms like What are Supplementary Angles?, What are Complimentary Angles?, What are Adjacent Angles? and more.

  3. Study with Quizlet and memorize flashcards containing terms like angles have how many sides ?, what is the vertex, terminal side and more.

  4. What is the formula used to find the sum of interior angles in a polygon? What is the formula to find an exterior angle of a polygons? If each interior angle of a regular polygon is 135 degrees, what is the name of the polygon? Six angles of a convex octagon is congruent.

  5. Parts of Angles. Vertex: A vertex is a corner of an angle, a point where two lines/sides meet. O is the vertex in the given figure. Arms: The two sides of the angle, joined at a common endpoint. OA and OB are arms of an angle. Initial Side: Also known as the reference line, a straight line from where an angle is drawn. OB is the reference line.

  6. In this topic, we will learn what an angle is and how to label, measure and construct them. We will also explore special types of angles.

  7. 4 kwi 2018 · The Corbettmaths Practice Questions on Angles in Polygons. Previous: Angles in Parallel Lines Practice Questions