1. What are the ratios between side lengths?
Notes 6.5: 4/12 6
What are the ratios between side lengths?
2.5 3 4 9 12 24 10
Ratio: 1:3
Ratio: 1:4

2. Find the missing side lengths. Lines p, q, r and s are all parallel
Find the missing side lengths. Lines p, q, r and s are all parallel. Leave as exact solutions.

3. Finding the sum of all interior angles of polygons.
Number of Sides
Total number of degrees 3 4
180
2*180 = 360

4. Finding the sum of all interior angles of polygons.
Number of Sides
Total number of degrees 5 6
3*180 = 540
4*180 = 720

5. n Finding the sum of all interior angles of polygons. Number of Sides
Total number of degrees n

6. What pattern did you find?
*Turn to the person next to you and discuss what patterns you see

7. Total Degrees in a polygon: (n-2) * 180
n=number of sides

8. If a polygon has 20 sides, what is the measure of the interior angles of the polygon?
( ) * ______ =