Shape Sides (+4 per level)
What is a shape with 4 sides called?
Quadrilateral
What is an angle that is <90 degrees?
Acute Angle
What is a shape with 8 sides called?
Octagon
What is an angle that is 90 degrees?
Right Angle
Dodecagon
What is an angle that is >90 degrees?
Obtuse Angle
What is a shape with 16 sides called?
Hexadecagon
What is an angle that is 180 degrees?
Straight Angle
What is a shape with 20 sides called?
Icosagon
What is an angle that is >180 degrees?
Reflex angle