Polygon Shape to Their Name

What is a polygon?

• A closed figure made up of straight line segments

• An open figure made up of straight line segments

• A closed figure made up of curved edges

• An closed figure made up of crossed line segments

A ____ is a polygon with four sides.

• Pentagon

• Rectangle

• Quadrilateral

• Square

Name a quadrilateral with 1 set of parallel sides.

• Rhombus

• Oval

• Triangle

• Trapezoid

Elizabeth is making a mobile that lists quadrilaterals. What is the name of the subset of quadrilaterals missing from Elizabeth’s mobile?

• Hexagon

• Triangle

• Parallelogram

• Triangle

Name the polygon.

• Heptagon

• Hexagon

• Pentagon

• Trapezoid

What would be the name of the following polygon?

Quadrilaterals can be classified using the graphic organizer shown.Which term best classifies the shapes that belong in the shaded section of the organizer?

• Parallelogram

• Polygon

• Pentagon

• None of these

In the diagram shown each circle represents a group of polygons. If a polygon belongs in a circle, it also belongs in any larger circle. Which kind of polygon belongs in the shaded circle?

• Trapezoids

• Squares

• Pentagons

• Rhombuses

How many lines of symmetry does a regular octagon have?

• 4

• 8

• 2

• 6

Here is a pattern made of three different shapes. One shape is a decagon (10-sided shape).

What are the name of the other shape?

• square and pentagon

• square and hexagon

• heptagon and square

• circle and square