Polygon Names
Number of Sides in an Octagon
8
Can you have a triangle with sides 5, 9, and 12? Why or why not?
Yes, because 5+9>12.
Perimeter of Figure D - include units
10 cm
The Sum of the Interior Angles of a Quadrilateral
360 degrees
Number of Sides in a Pentagon
5
Can you have a triangle with sides 3, 8 and 13? Why or why not?
No, because 3+8<13.
Perimeter of Figure E
28 units
The Sum of the Interior Angles of a Hexagon
720 degrees
Number of Sides in a Hexagon
6
Describe triangle A according to the sides and angles.
Right Isosceles
Area of Figure F - include units
6 square cm
Sum of the Exterior Angles of a Hexagon
360 degrees
Number of Sides in a Decagon
10
Describe triangle B according to sides and angles.
Equilateral Equiangular
Area of Figure G - include units
28 square feet
Measure of Each Exterior Angle of a Hexagon
60 degrees
Number of Sides in a Dodecagon
12
Describe triangle C according to sides and angles.
Scalene Obtuse
Area of figure H
56 square units
Measure of Each Interior Angle of a Hexagon
120 degrees