Basic Constructions in Geometry

The drawing shows a compass and straight edge construction of...what?

• the bisector of a given angle

• a perpendicular to a given line at a point on the line

• a perpendicular to a given line from a point NOT on the line

• an angle congruent to a given angle

The given diagram is what kind of construction?

• Perpendicular bisector

• Congruent angles

• Angle bisector

• Congruent line segments

What is being constructed in the figure?

• the perpendicular bisector of line m

• the line perpendicular to line m through a point on the line

• the line parallel to line m through a point NOT on the line

• an angle that has line m as its bisector

What geometric construction is shown in the diagram below?

• an angle bisector

• a line parallel to a given line

• an angle congruent to a given angle

• a perpendicular bisector of a segment

• A

• B

• C

• D

What geometric construction is shown in the diagram below?

• an angle bisector

• a line parallel to a given line

• an angle congruent to a given angle

• a perpendicular bisector of a segment

Select the best answer choice.

• A

• B

• C

• D

What type of construction is illustrated in the figure?

• The bisection of ∠D

• The bisection of segment BD

• An angle congruent to ∠D

• A line segment congruent to segment AB

When constructing a line parallel to a given line, you will be

• copying a segment

• bisecting a segment

• copying an angle

• constructing a perpendicular

What was duplicated?

• line

• line segment

• ray

• angle