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Geometry Lesson Tomorrow in My Room

Tomorrow in my room, we will tackle polygon angles. Learn about congruent, supplementary, and complementary angles. Discover how to find sum and measure of interior angles in regular polygons. Get ready for engaging activities!

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Geometry Lesson Tomorrow in My Room

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  1. Materials Reminders

  2. Get out your agenda if you see your name below. You need to come to my room tomorrow.

  3. Musical Math Define the following terms. Congruent – Supplementary – Complementary – Answer true or false. Assume that the angles are formed from two parallel lines cut by a transversal. Alternate interior angles are congruent. Corresponding angles are not congruent. Vertical angles are congruent.

  4. Cornell Notes Topic: 6-3 Polygons and Angles Essential Question(s): How do I find the sum of the angle measures of a polygon and the measure of an interior angle of a regular polygon?

  5. Questions: Notes: Cornell Notes What is the sum of the interior angles of a triangle? a c b What is a regular polygon? Regular Polygon – a polygon where all the sides are congruent and all the angles are congruent. Examples:

  6. Questions: Notes: Cornell Notes How do I find the sum of the measures of the interior angles of a polygon?

  7. Questions: Notes: Cornell Notes What expression represents the number of triangles in an n-sided polygon?

  8. Questions: Notes: Cornell Notes What expression represents the sum of the angle measures in an n-sided polygon?

  9. Questions: Notes: Cornell Notes How do I find the measure of one interior angle of a regular polygon? Example:

  10. Concept Check • Get into groups of 2 and using a white board, explain to each other how to find the sum of the measures of the interior angles of the following polygons. • Square • Octogon • 28-gon • 152-gon

  11. Concept Check • Get into groups of 2 and using a white board, explain to each other how to find the measure of an interior angle for the following REGULAR polygons. • Triangle • Square • Pentagon • Hexagon

  12. Homework Page 318-319; 5-16 AND Cornell Notes Summary

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