Geometry Vocabulary

A ​ ​ (a)   triangle is shown.

• right

• obtuse

• acute

What type of lines are shown?

• parallel lines

• intersecting lines

• right angles

• perpendicular lines

What is the name of this shape?

• trapezoid

• square

• hexagon

• triangle

What is a line segment?

• a line with 2 end points

• a line that goes on forever

• a line that has one end point and one side goes on forever

• an ice cream cone

What type of lines are shown?

• intersecting lines

• perpendicular lines

• acute angles

• obtuse angles

a two dimensional closed shape made with three or more line segments. 

• Triangle

• Square

• Circle

• Polygon

a THREE sided polygon 

• Circle 

• Line 

• Square

• Triangle

a FIVE sided polygon

• pentagon

• hexagon

• octagon

• cirlce

a SIX sided polygon

• hexagon

• pentagon

• octagon

• triangle 

an EIGHT sided polygon

• octagon

• pentagon

• triangle 

• rhombus