Constructions and Intro to Geometry

Take a guess! Which one is the correct construction for a perpendicular bisector?

• 1

• 2

• 3

• 4

• x = 118

• x = 108

• x = 28

• x = 58

What type of angle is ∠5.

• obtuse

• acute

• ∠STW

• T

AB

• is a ray.

• is a line segment.

• is an arrow.

• is a polygon.

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

Which of the following constructions is illustrated?

• An angle is congruent to a given angle

• The bisector of a given angle

• The bisector of a given segment

• The perpendicular bisector of a given segment.

These angles are...

• Complementary

• Supplementary

• Neither

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

• 50 degrees

• 60 degrees

• 55 degrees

• 65 degrees

What is this?

• ruler

• compass

• protractor

• straightedge