Lines and Line Segments
Angles
Polygons
Triangles
Quadrilaterals
100
Point
What is an exact position?
100
Right Angle
This angle makes a square corner. Known as a 90-degree angle.
100
Triangle
What is a polygon with three sides?
100
Equilateral Triangle
What is a triangle in which all sides are the same length?
100
Square
What is a quadrilateral that has four right angles and all sides are the same length?
200
Line
What is a set of points that is endless in both directions?
200
Acute Angle
This angle is less than a right angle.
200
Quadrilateral
What is a polygon with four sides?
200
Isosceles Triangle
What is a triangle in which ONLY TWO sides are the same length?
200
Rectangle
What is a quadrilateral with four right angles and opposite sides are the same length?
300
Line Segment
What is part of a line that has two endpoints?
300
Obtuse Angle
This angle is greater than a right angle.
300
Pentagon
What is polygon with five sides?
300
Scalene Triangle
What is a triangle in which NONE of the sides are the same length?
300
Parallelogram
What is a quadrilateral in which opposite sides are parallel and the same length?
400
Intersecting Lines
What are two lines that cross at one point?
400
Perpendicular
Lines, line segments, or rays that form right angles are called?
400
Hexagon
What is a polygon with six sides?
400
Right Triangle
What is a triangle that has an angle with a measurement of 90-degrees?
400
Rhombus
What is a quadrilateral in which opposite sides are parallel and ALL sides are the same length?
500
Parallel Lines
What are two lines that never cross?
500
Vertex
Then endpoint of an angle is called?
500
Octagon
What is a polygon with eight sides?
500
Acute Triangle
What is a triangle in which all the angles are less than 90-degrees?
500
Trapezoid
What is a quadrilateral in which there is only one pair of parallel sides?
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