Classifying Lines, Angles, and Polygons

What is a polygon?

• A closed plane figure made up of line segments
• An open plane figure made up of line segments
• A closed plane figure made up of rays
• An open plane figure made up of rays

How many sides does a Triangle have?

• 4
• 3
• 2
• 6

How many sides does a Quadrilateral have?

• 4
• 3
• 6
• 9

How many sides does a Pentagon have?

• 4
• 3
• 5
• 9

How many sides does an Octagon have?

• 4
• 3
• 9
• 8

Why are these Triangles called Right Triangles?

• They have 3 right angles
• They have 2 right angles
• They have 1 right angle
• They have 0 right angles

This polygon has 2 pairs of parallel sides.

• Trapezoid
• Triangle
• Parallelogram
• Rhombus

It is a quadrilateral which has opposite sides that are parallel and all of its sides are the same length

• Rhombus
• Trapezoid
• Rectangle
• Square

Rectangle has everything a square has except...

• four right angles
• all sides the same length
• both pairs of opposite sides
• four sides

A straight angle is....

• 90°
• 50°
• 1800°
• 180°