1. 8.1 Measures of Angles in Polygons January 07, 2013
If you would like to see your
semester final, it is in your folder.
Please put it back in your folder
before the bell.
Jan 4­8:08 AM
HW pg. 510 #4­24 evens 1

2. 8.1 Measures of Angles in Polygons January 07, 2013
8.1 Angle Measure in Polygons
Diagonal: segment that joins 2 nonconsecutive vertices.
Polygon Interior Angles Theorem: the sum of the measures of the interior < of a n-gon is
(n-2)180, where n is the number of sides.
Interior Angles of a Quadrilateral: the sum of the measures is 360.
Dec 20­12:54 PM
HW pg. 510 #4­24 evens 2

3. 8.1 Measures of Angles in Polygons January 07, 2013
Dec 20­1:12 PM
HW pg. 510 #4­24 evens 3

4. 8.1 Measures of Angles in Polygons January 07, 2013
Dec 20­1:13 PM
HW pg. 510 #4­24 evens 4

5. 8.1 Measures of Angles in Polygons January 07, 2013
Polygon Exterior Angles Theorem: The sum of the measures = 360.
2
1
3
5 <1 + <2 + <3 + <4 + <5 = 360
4
Dec 20­1:15 PM
HW pg. 510 #4­24 evens 5

6. 8.1 Measures of Angles in Polygons January 07, 2013
8.1 HW
pg. 510
#4-24
evens
Dec 20­1:40 PM
HW pg. 510 #4­24 evens 6