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Unit1 Geometry Chapter 1 covers interior and exterior angles of polygons along with parallel lines and tranversals. Remember all your interior and exterior angle rules. 

 Important formulas;

1) Sum of the Measures of the Interior Angles of a Polygon


2) Number of diagonals in a polygon (n(n-3))/2,

3) Measure of each interior angle of a regular polygon, ((n-2)x180)/n,

4) Sum of the exterior angles of a polygon=360 degrees

Difficulty Level 3

8 questions

Maximize ACT Math Chapter 1 with Detailed Solutions

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