Definitions
Definitions 2
Polygons!
Angles
Angles and Protractors
100
A location in space that has no length, width, or thickness. Represented by a dot
What is a point?
100
A portion of a line having two endpoints by which it is named
What is a line segment?
100
A four sided polygon
What is a quadrilateral?
100
An angle with exactly 90 degrees
What is a right angle?
100
An angle containing more than 90 degrees but less than 180 degrees 
What is an obtuse angle?
200
Two rays which share a common endpoint
What is an angle?
200
A flat surface extending infinitely in all directions. 
What is a plane?
200
A 7 sided polygon
What is a heptagon?
200
Angles containing the same number of degrees
What are congruent angles?
200
An angle containing 180 degrees. 
A straight angle
300
Extends infinitely in two opposite directions. Named using two capital letters or a single lower case letter. 
What is a line?
300
A geometric figure that can be drawn without picking up the writing instrument. 
What is a curve? 
300
A quadrilateral having both pairs of opposite sides parallel. 
Parallelogram
300
Two angles with a sum of 90 degrees
What are complementary angles?
300
Draw a 133 degree angle
*Bring to Mrs Martin to measure*
400
Lines that have one point in common. 
What are intersecting lines?
400
A simple closed shape made up of line segments. 
What is a polygon? 
400
A 5 sided polygon
What is a pentagon?
400
Two angles with a sum of 180 degrees
What are supplementary angles?
400
Draw a 7 degree angle. 
*Bring to Mrs Martin to measure*
500
Common endpoint of two rays forming an angle.
What is a vertex?
500
Two angles with a common ray between them
What are adjacent angles?
500
A quadrilateral having only one pair of opposite sides which are parallel. 
What is a trapezoid?
500
An angle containing more than 180 but less than 360 degrees.
What is a reflex angle?
500
Measure the following angle

(Mrs Martin will give you the angle)

123 degrees 
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