Angles
Complementary & Supplementary Angles
Other Polygons
Points, Lines, Segments, and Rays
100
This kind of angle measures less than 180 degrees but more than 90 degrees.
What is an obtuse angle?
100

What is the complement and supplement of an angle that measures 54 degrees?

C = 36

S = 126

100
This is a five sided polygon.
What is a pentagon?
100
This is an exact location in space. It has no size and you name it with a capital letter.
What is a point?
200
This angle is less than 90 degrees.
What are acute angles?
200

What is the complement and supplement of an angle that measures 85 degrees?

C = 5

S = 95

200
This is any polygon with ten sides.
What is a decagon?
200
This is a part of a line with two endpoints.
What is a segment?
300
These angles have measures of exactly 90 degrees.
What are right angles?
300

What is the complement and supplement of an angle that measures 37 degrees?

C = 53

S = 143

300

This is a shape that has three or more line segments that do not cross.

What is a polygon?

300
These lines have no points in common. These lines will never intersect.
What are parallel lines?
400
What are two lines that intersect and form a right angle called?
What are perpendicular lines?
400

Define supplementary angles

the sum of 2 angles that are equal to 180 degrees

400
A stop sign is an example of this type of polygon.
What is an octagon?
400
This line goes forever in one direction.
What is a ray?
500
The sum of the measure of the angles of this shape always equals 180 degrees.
What is a triangle?
500

Define complementary angles.

the sum of 2 angles that is equal to 90 degrees.

500

The Department of Defense in Washington, DC, is housed in a building that has this shape.

What is a pentagon?

500
These lines are in the same plane and intersect to form a right angle.
What is a perpendicular line?