Download presentation

Presentation is loading. Please wait.

Published byDinah Hicks Modified over 6 years ago

1
7.3 Formulas Involving Polygons Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

2
nn-gon 3Triangle 4Quadrilateral 5Pentagon 6Hexagon 7Heptagon 8Octagon 9Nonagon 10Decagon 12Dodecagon 15Pentadecagon Number of Sides (or Vertices) Number of Sides (or Vertices) Polygon Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

10
Summary Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

11
What is the sum of the interior angles of an undecagon? A quadrilateral? Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

12
Three of the angles of a pentagon are right angles. The two remaining angles are congruent. Find the measure of one of the two remaining angles. Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

13
What is the name of the polygon whose interior angles total 2340°? That total 1080°? Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

14
How many diagonals can be drawn in a decagon? A heptagon? Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

15
What is the name of the polygon that has 104 diagonals? 54 diagonals? Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

16
What is the sum of the exterior angles of a pentadecagon? A 25-gon? Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

17
Complete the table. See if you can observe a pattern. Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

18
Assignment: Pg. 304 # 2, 4 Pg. 309 # 1 (a,c,e), 2, 3, 5, 7, 10 (a,b,c) Learner Objective: I will use formulas for the sum of the interior angles, the sum of the exterior angles and the number of diagonals of a polygon to solve problems involving polygons.

Similar presentations

© 2022 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google