A closed figure is called a _____________.
What is a polygon?
An angle that is less than 90 degrees
What is an acute angle?
This has 3 equal sides
What is an equilateral triangle
The flat surface is called a __________.
What is a face?
A 4-sided closed figure
What is a quadrilateral?
An angle measuring 90 degrees exactly
What is a right angle?
where 2 surfaces or faces meet
What is an edge?
The point that connects two edges to create an angle; the intersection point
What is a vertex?
A quadrilateral with only one pair of parallel sides
What is a trapezoid
An angle that is greater than 90 degrees but less than 180
What is an obtuse angle?
A can of soup is an example of a ___________.
What is a cylinder?
A triangle with one angle that measures exactly 90 degrees
What is a right triangle
An angle that measures exactly 180 degrees
What is a straight angle?
a figure with 2 opposite bases that are exactly the same shape and size
What is a prism?
An angle that measures greater than 180 degrees but less than 360 degrees
What is a reflex angle?
What is 270?
A figure with 1 base and the opposite side is a point or vertex
What is a pyramid?