Unit 4 EM Polygon Vocabulary

A POLYGON .......

• has curved lines.

• can be opened or closed.

• has three or more sides.

• can have crossed lines.

A four-sided shape is called a ........

• pentagon

• octagon

• quadrilateral

• heptagon

The lines that make the shapes are called.....

• sides

• vertices

• sets

• parallel

Lines that have the same amount of space between them and will never meet are called _______________ lines.

• right

• parallel

• side

• closed

What do we call the two lines that meet and make a perfect corner, or 90 degree angle?

• triangle

• straight

• right angle

• acute angle

What letter is labeling the VERTICES of this shape?

• a

• Q

How many PARALLEL LINES does this shape have?

• 2 sets of parallel lines

• 1 set of parallel lines

• no parallel lines

Why does this shape slant?

• The shape is a slanted rectangle.

• This shape does not have right angles.

• The lines are not parallel.

Click all of the TRUE statements.

• This is a quadrilateral.

• This is a 5-sided shape.

• The sides are all equal in length.

• This is a polygon.

Click all the TRUE statements about these shapes.

• Each shape has sides of equal lengths.

• There are zero right angles.

• Each shape has a set of parallel lines.

• These are quadrilaterals.