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Prove that the sum of the interior angles of a convex n-gon is (n-2)-180°. (A convex n-gon is a polygon with n sides for which each interior angle is less than 180°.) Hint: start with (k+1)-gon and divide it up into a k-gon and a triangle. 7. Bonus: Given a square, you can cut the square into smaller squares by cutting along lines parallel to the sides of the original square (these lines do not need to travel the entire side length of the original square). For example, by cutting along the lines below, you will divide a square int smaller squares:

Prove that the sum of the interior angles of a convex n-gon is (n-2)-180°. (A convex n-gon is a polygon with n sides for which each interior angle is less than 180°.) Hint: start with (k+1)-gon and divide it up into a k-gon and a triangle. 7. Bonus: Given a square, you can cut the square into smaller squares by cutting along lines parallel to the sides of the original square (these lines do not need to travel the entire side length of the original square). For example, by cutting along the lines below, you will divide a square int smaller squares:

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 39E
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Prove that the sum of the interior angles of a convex n-gon is (n – 2) - 180°. (A convex n-gon is a polygon with n sides for which each interior angle is less than 180°.) Hint: start with (k +1)-gon and divide it up into a k-gon and a triangle. 7. Bonus: Given a square, you can cut the square into smaller squares by cutting along lines parallel to the sides of the original square (these lines do not need to travel the entire side length of the original square). For example, by cutting along the lines below, you will divide a square intS smaller squares:
Transcribed Image Text:Prove that the sum of the interior angles of a convex n-gon is (n – 2) - 180°. (A convex n-gon is a polygon with n sides for which each interior angle is less than 180°.) Hint: start with (k +1)-gon and divide it up into a k-gon and a triangle. 7. Bonus: Given a square, you can cut the square into smaller squares by cutting along lines parallel to the sides of the original square (these lines do not need to travel the entire side length of the original square). For example, by cutting along the lines below, you will divide a square intS smaller squares:
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