Geometry 3

AB

• is a ray.
• is a line segment.
• is an arrow.
• is a polygon.

A triangle with all sides in equal length is 

• an obtuse triangle. 
• a right triangle.
• an isosceles triangle.
• an equilateral triangle.

To construct an equilateral triangle, all you need is a compass and a straightedge.

• True
• False

What is this?

• Compass
• Circle creator
• Pencil swingy-thing
• Arc maker

These angles are...

• Complementary
• Supplementary
• Neither

What do you call two angles whose sum is 180 degrees? 

• Vertical Angles
• Supplementary Angles
• Complementary Angles
• Adjacent Angles

If angle DCA is 125 degrees, what is the measure of angle DCB?

• 50 degrees

• 60 degrees

• 55 degrees

• 65 degrees

• x = 118

• x = 108

• x = 28

• x = 58

What is this?

• ruler

• compass

• protractor

• straightedge

What is this?

• ruler

• compass

• protractor

• straightedge