Math Constructions

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

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

What is this?

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

Tags

CCSS.HSG.CO.D.12

An angle that measures exactly 90°

• Acute Angle
• Right Angle
• Triangle
• Straight Angle

Tags

CCSS.4.G.A.1

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

• True
• False

Tags

CCSS.HSG.CO.D.12

CCSS.HSG.CO.D.13

Name the construction.

• Angle bisector
• Di-sect an angle
• Copy an angle
• Vertical angles

Tags

CCSS.HSG.CO.D.12

What type of construction do you see?

• midpoint
• angle bisector
• perpendicular bisector
• altitude

Tags

CCSS.HSG.CO.C.9

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.1.G.A.3

Classify the triangle in the construction.

• scalene triangle

• equilateral triangle

• isosceles triangle

• right triangle

Tags

CCSS.4.G.A.2