## Unit 4: Lesson 2 Polygons and Angles

Lesson Objectives

The Day at a Glance

- Discover the total measure of the interior angles of triangles and of quadrilaterals.
- Determine missing angle measures of triangles and quadrilaterals.

The Day at a Glance

- Cut and arrange the angles of a triangle to discover that the interior angles of a triangle always add to 180 degrees.
- Use knowledge gained in the triangle activity to discover that the total measure of the interior angles of a quadrilateral is 360 degrees.

## Additional Support

interwrite__4-2_finding_missing_angles_of_triangles_and_quadrilaterals.pdf | |

File Size: | 71 kb |

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