Two angles that equal 90 degrees when added together
What is complementary angles
100
A four sided closed figure
What is quadrilateral
100
Tool used to measure angles and sketch angles of given measures
What is protractor
100
Two rays that are part of the same line and have only their endpoints in common
What is Opposite rays
200
A triangle with exactly a 90 degree angle
What is right angle
200
The noncommon sides of the adjacent angles form a straight line
What is linear pair
200
Four-sided figure in which the opposite sides have the same length and all four interior angles are right angles (90 degrees).
What is Rectangle
200
Tool with an edge free from curves, or straight, used for transcribing straight lines, or checking the straightness of lines.
What is straight edge
200
Figure formed by opposite rays
What is straight angle
300
A triangle with any degree between 91 and 180
What is obtuse angle
300
Two angles of equal measures
What is adjacent angles
300
Rectangle in which each side is the same length.
What is Square
300
Straight strip or cylinder of plastic, wood, metal, or other rigid material, typically marked at regular intervals, to draw straight lines or measure distances.
What is ruler
300
Common endpoint
What is vertex
400
A upside down L is used to represent what ?
What is right angle
400
A ray that bisects a angle
What is angle bisector
400
Four-sided figure in which the opposite sides are parallel to each other and the opposite sides have the same length.
What is parallelogram
400
A writing material usually made out of wood
What is pencil
400
Two rays that make up the angle
What is sides of an angle
500
Two rays can have a common endpoint
What is angle
500
Three sided closed figure
What is Triangle
500
Type of parallelogram in which each side is the same length.