Draw a Diagram and Look for a Pattern

1
Draw a Diagram and Look for a Pattern
COURSE 2 LESSON 7-6
How many diagonals can be drawn inside a decagon?
7-6
2
Draw a Diagram and Look for a Pattern
COURSE 2 LESSON 7-6
(continued)
7-6
3
Draw a Diagram and Look for a Pattern
COURSE 2 LESSON 7-6
(continued)
7-6
4
Draw a Diagram and Look for a Pattern
COURSE 2 LESSON 7-6
Solve by drawing a diagram and looking for a
pattern. The exterior angles of a triangle are
the supplements of the interior angles, as shown.
What is the sum of the exterior angles of a
regular hexagon?
360º
7-6