Basic Constructions Review

What is this?

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

Tags

CCSS.HSG.CO.D.12

What does the word BISECT mean?

• To cut something into more than five pieces.

• It is a plane with two sets of wings.

• A shape that has three sides.

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

Tags

CCSS.HSG.CO.A.1

What is a Midpoint?

• A point anywhere on a line segment.

• A point in the middle of a segment that divides the segment into two equal pieces.

• An endpoint of a segment.

• Any point on a line.

Tags

CCSS.HSG.CO.A.1

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

Tags

CCSS.HSG.CO.C.9

The given diagram is what kind of construction?

• Perpendicular bisector

• Congruent angles

• Angle bisector

• Congruent line segments

Tags

CCSS.HSG.CO.C.9

When copying line segment AB using a straight edge and a compass, the compass should be used to:

• Draw an arc above point A

• Measure the length of segment AB

• Draw an arc between point A and point B

• Measure half the length of line segment AB

Tags

CCSS.HSG.CO.D.12

What was duplicated?

• line

• line segment

• ray

• angle

Tags

CCSS.4.G.A.1

Suppose we wish to construct angle EFG congruent to angle DBC using a compass and straightedge. Which step would be correct to do first?

• Place the compass point at B
• Place the compass point at C
• Place the straightedge along A and C
• Place the straightedge along C and D

Tags

CCSS.4.MD.C.6

When bisecting an angle, the straightedge should be used to:

• Mark the point M
• Measure the angle AOB
• Copy the angle with an arc
• Connect point M and vertex O

Tags

CCSS.HSG.CO.C.9

Which diagram shows a correct mathematical construction using only a compass and a straightedge to bisect an angle?

• A
• B
• C
• D

Tags

CCSS.HSG.CO.D.12