Geometry Intro

Select the shapes that can have at least one pair of parallel sides.

• rectangle

• rhombus

• trapezoid

• triangle

• square

The measurements of interior angles of a triangle add up to 180º. Triangle ABC is a right triangle with a right angle at vertex A. What must be true of the angles at vertex B and vertex C ?

• The angles at vertex B and vertex C are both acute.

• The angles at vertex B and vertex C are equal.

• The angles at vertex B and vertex C are both right.

• The angles at vertex B and vertex C add up to 90º.

This triangle can be classified as:

• obtuse

• scalene

• equilateral

• acute

• right

Which shapes have at least one pair of perpendicular line segments?

• 
• 
• 
• 

What s this a picture of?

• Line

• Angle

• Ray

• Point

What type of angle is this?

• Acute

• Right

• Obtuse

• Straight

What is this a picture of?

• Line

• Line Segment

• Ray

• Point

How many degrees are in a right angle?

• 180

• 90

• 60

• 45

This is a picture of what kind of lines?

• Parallel Lines

• Perpendicular Lines

• Intersecting Lines

What kind of lines are these?

• Parallel Lines

• Perpendicular Lines

• Intersecting Lines