Page 50 - Math Course 2 (Book 2)
P. 50
Polygons
Real World Example
The sum of the measures of the interior
angles is 1080°. PICNIC TABLE
A picnic table in the park is a regular hexagon.
Step 2 Divide the sum by 8 to find the measure of What is the measure of one interior angle in the
one angle. picnic table?
1080 ÷ 8 = 135 A. 720°
B. 128.57°
So, the measure of one C. 120°
Answer interior angle in a stop sign D. 108°
is 135°.
Answer
Your Turn!
Measures of Interior Angles
Find the sum of the measures of the interior angles
of a pentagon.
A. 108°
B. 540°
C. 720°
D. 900°
Answer
Skill Practice!
Classify each polygon. Then determine whether it appears to be regular or not regular.
1. 2. 3.
4. 5. 6.
42
