Constructions/Geometry Vocabulary

Front

What is a compass used for in constructions?

Back

A compass is used to draw arcs and circles and to measure distances.

Tags

CCSS.4.MD.C.6

Front

Define a straight edge in geometry.

Back

A straight edge is a tool used to draw straight lines, typically without measurement markings.

Tags

CCSS.4.G.A.1

Front

What is the definition of a bisector?

Back

A bisector is a line or segment that divides another line or angle into two equal parts.

Front

What does it mean to construct a perpendicular bisector?

Back

To construct a perpendicular bisector means to draw a line that cuts another line segment into two equal parts at a 90-degree angle.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Tags

CCSS.4.G.A.1

Front

What is a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

How do you construct a perpendicular line from a point on a line?

Back

To construct a perpendicular line from a point on a line, use a compass to create arcs from the point, then connect the intersection points.

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Front

What is the significance of a 90-degree angle in constructions?

Back

A 90-degree angle indicates a right angle, which is essential for creating perpendicular lines.

Tags

CCSS.4.G.A.1

Front

What is the purpose of constructing parallel lines?

Back

Constructing parallel lines is used to create lines that never intersect and maintain equal distance apart.

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Front

What is an angle congruent to a given angle?

Back

An angle congruent to a given angle has the same measure as that angle.

Tags

CCSS.8.G.A.2