Parts of Geometry
Polygons
100
This is the simplest part of geometry. It is shown by a single dot.
What is a point?
100
This polygon has 3 sides.
What is a triangle?
200
You make this when you connect 2 points. It starts at one point and stops at another.
What is a line segment?
200
This polygon has 4 sides, 4 angles and 4 vertices.
What is a quadrilateral?
300
Two lines that are side by side and never cross are these.
What are parallel lines?
300
This quadrilateral's sides are all the same length. It also has 4 right angles.
What is a square?
400
This angle has a measurement of 90 degrees.
What is a right angle?
400
This is the special name we give polygons that have the same measurement of angles and sides.
What is a regular polygon?
500
These are formed when 2 lines cross at 90 degree angles.
What are perpendicular lines?
500
This polygon has 8 sides. Each angle has the same measurement, each side has the same measurement.
What is a regular octagon?
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