Also we went over the Review Guide for Investigation #2- Click here access.

**Tomorrow's Check-in Focuses on:**

**Areas to focus on for quiz after Investigation 2**

-Formulas:

- sum of angles in a regular polygon
- individual angle measure in a regular polygon

-Finding exterior angles in a polygon.

**Key Vocabulary:**

- supplementary angles
- complementary angles
- isosceles triangle properties
- angle sums for regular polygons

**Key Formulas:**

S (sum of angles) = 180 (n-2) (n = the number of sides in polygon)

A (individual angle in a polygon) = 180 (n-2) / n

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