Bisectors and Perpendicular Lines Quiz

What does the word BISECT mean?

• To cut something into more than five pieces.

• A shape that has three sides.

• It is a plane with two sets of wings.

• To cut something into two congruent parts or in half.

What is a bisector?

• Two lines which go in the same direction

• Two lines which intersect at right angle

• A line which cuts another line in half

• Two lines that stay the same distance apart

What are perpendicular lines?

• Two lines which go in the same direction

• Two lines which intersect at right angle

• A line which cuts another line in half

• Two lines which intersect more than once

What tool is NOT needed to construct a perpendicular bisector?

• Calculator

• Protractor

• Compass

• Pencil

What does this construction represent?

• A perpendicular bisector

• A bisector from the point A to the line

• A bisector through point A on the line

• An angle bisector

What does this construction represent?

• A perpendicular bisector

• A bisector from the point A to the line

• A bisector through point A on the line

• An angle bisector

In the given illustration, what is the use of straightedge (ruler, tringle, scale)?

• Mark the point C

• Copy the angle with an arc AB

• Measure the angle BOA

• Connect point C and point O

Line segment AB is shown in the diagram. Which two sets of construction marks, labelled I, II, III, and IV, are part of the construction of the perpendicular bisector of line segment AB?

• I and II

• I and III

• II and III

• II and IV

What is the purpose of using a compass when bisecting a circle?

• To measure angles accurately

• To create straight lines

• To divide a segment or an arc into two equal parts

• To erase unnecessary lines

When bisecting a circle, what is the first step?

• Draw a straight line through the center lines

• Use a ruler to measure equal halves

• Open the compass to a width equal to its circumference

• Place the compass on any point of the circle and draw random