What is an angle that is LARGER than 90°?
obtuse
What is any figure with 4 sides called?
quadrilateral
An angle that forms a corner
right angle
What is a 5 sided figure called?
pentagon
Two figures whose sides are the same length and angles are the same measure are called...
congruent
The space between two lines that intersect, measured in degrees
angle
A polygon with 4 sides. Opposite sides are the same length and 4 90° angles
rectangle
If all the sides of a polygon are the same length and all the angles are the same measure it is called a...
regular polygon
What is a 9 sided figure called?
nonagon
If all the sides of a polygon are NOT the same length and the angles are DIFFERENT measures, it is called an...
irregular polygon
How many degrees does a right angle have?
90°
How many degrees does a straight angle have?
180°
What are all shapes with at LEAST 3 straight sides and 3 angles called?
polygons
What is a 6 sided figure called?
hexagon
A polygon with 3 sides
triangle
The point where two sides meet is called
vertex or vertices
A polygon with 4 equal sides and 4 90° angles
square
What is an angle that is SMALLER than 90°?
acute
What is an 8 sided figure called?
octagon
What is a 10 sided figure called?
decagon
What is a 7 sided figure called?
heptagon