Vocabulary
Angles
Shapes
100
An object that has a starting point and goes infinitely in one direction.
What is a ray.
100
How many rays form the sides of an angle?
What is 2.
100

a shape with 4 sides

quadrilateral

200
A basic geometric object that has two endpoints.
What is a line segment.
200
The name of the point where an angle 'bends.'
What is the vertex.
200

a shape with 5 sides

pentagon

300
A geometric object that goes infinitely in two directions.
What is a line.
300

An angle that measures 90 degrees

Right

300

a shape with 3 sides

triangle

400
A line, segment, or ray that cuts an angle or another segment in half.
What is a bisector.
400

An angle greater than 90 degrees

obtuse

400

a shape with 6 sides

hexagon

500
Formed by two rays that have a common endpoint.
What is an angle.
500

An angle less than 90 degrees

acute

500

a shape with 8 sides

octagon

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