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Types of Angles
Types of Triangles
Pairs of Angles
Parts of Angles & Measuring them
Miscellaneous
100
Equals 90 degrees
What is a right angle?
100
Has one 90 degree angle.
What is a right triangle?
100
Add up to 90 degrees
What are complementary angles?
100
A point where two or more straight lines meet.
What is a vertex?
100
A pair of angles that are adjacent and supplementary
What is a linear pair?
200
More than 0 and less than 90 degrees
What is an acute angle?
200
Has three angles less than 90 degrees.
What is an acute triangle?
200
Add up to 180 degrees
What are supplementary angles?
200
A part of a line that is bounded by two distinct end points
What is a line segment?
200
The sum of all angles inside of a triangle.
What is 180 degrees?
300
More than 90 and less than 180 degrees
What is an obtuse angle?
300
Has one angle greater than 90 degrees.
What is an obtuse triangle?
300
Two angles that share a side and a vertex
What are adjacent angles?
300
Tool used to measure angles.
What is a protractor?
300
Type of triangle where all sides are congruent.
What is an equilateral triangle?
400
Equals 180 degrees
What is a straight angle?
400
Has no congruent sides.
What is a scalene triangle?
400
The angles opposite each other when two lines cross
What are vertical angles?
400
The part of the protractor that is lined up with the base of the angle.
What is the zero line?
400
A line that passes through two lines
What is a transversal?
500
Greater than 180 degrees
What is a reflex angle?
500
Has at least 2 congruent sides
What is an Isosceles triangle?
500
The angles that occupy the same relative position at each intersection where a straight line crosses two other lines.
What are corresponding angles?
500
Largest angle that a protractor can measure.
What is 180 degrees?
500
The angle between any side of a shape, and a line extended from the next side.
What is an exterior angle?