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Shapes
Lines
Points
More Lines
Angles
100
A flat surface that extends without ends in all directions.
What is a plane?
100
A straight path that extends forever in opposite directions; named by two points on the line.
What is a line?
100
An exact location in space; named by a capital letter.
What is a point?
100
Lines or segments that meet or cross at one point.
What are intersecting lines?
100
Two rays joined at a common endpoint called the vertex; named by the vertex or the vertex and a point at each ray.
What is an angle?
200
A 2-dimensional closed figure formed from 3 or more line segments that intersect at their endpoints.
What is a polygon?
200
A part of a line with two endpoints; named by the two endpoints.
What is a line segment?
200
The point on an angle or polygon where two lines or rays meet; named with a capital letter.
What is the vertex?
200
Lines or segments that meet or intersect to form right angles (or a square corner.
What are perpendicular lines?
200
An angle smaller than 90%.
What is an acute angle?
300
A polygon with congruent sides and angles.
What is a polygon?
300
A part of a line with one endpoint that extends forever in one direction; named by the endpoint first followed by another point on the ray.
What is a ray?
300
The point that completes a line or a vertex of a polygon.
What is an endpoint?
300
Parallel to the horizon of the earth.
What is a horizontal line?
300
An angle greater than 90 degrees and less than 180 degrees.
What is an obtuse angle?
400
A polygon with congruent sides and angles.
What is a regular polygon?
400
Slanted (neither horizontal or vertical)
What is a diagonal line?
400
Education and the growth of new knowledge.
What is school?
400
Perpendicular to the horizon of the earth.
What is a vertical line?
400
An angle that is exactly 90 degrees.
What is a right angle?
500
A polygon with sides and angles that are not congruent.
What is an irregular polygon?
500
Lines or segments in a plane that stay the same distance apart and never meet or cross.
What are parallel lines?
500
Not an angle.
What is a straight line?