12/09 Practice Flashcardizz

Front

What is an angle bisector?

Back

An angle bisector is a line or ray that divides an angle into two equal parts.

Tags

CCSS.HSG.CO.C.9

Front

How do you construct an angle bisector using a compass and straightedge?

Back

1. Place the compass point on the vertex of the angle. 2. Draw an arc that intersects both sides of the angle. 3. Without changing the compass width, draw arcs from the intersection points. 4. Draw a line from the vertex to the intersection of the arcs.

Tags

CCSS.HSG.CO.C.9

Front

What is a perpendicular bisector?

Back

A perpendicular bisector is a line that divides a line segment into two equal parts at a 90-degree angle.

Front

How do you construct a perpendicular bisector?

Back

1. Place the compass point on one endpoint of the segment. 2. Draw an arc above and below the line. 3. Repeat from the other endpoint. 4. Draw a line through the intersection points of the arcs.

Tags

CCSS.HSG.CO.C.9

Front

What is the difference between an angle bisector and a perpendicular bisector?

Back

An angle bisector divides an angle into two equal angles, while a perpendicular bisector divides a line segment into two equal lengths at a right angle.

Tags

CCSS.HSG.CO.A.1

Front

What is the purpose of using a compass in constructions?

Back

A compass is used to draw arcs and circles, which are essential for creating precise geometric constructions.

Front

What is the significance of congruent angles in geometry?

Back

Congruent angles are angles that have the same measure, which is important for proving triangles and other geometric figures are similar.

Tags

CCSS.8.G.A.2

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if they intersect at a right angle (90 degrees).

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Front

What is a midpoint?

Back

A midpoint is the point that divides a line segment into two equal parts.

Tags

CCSS.HSG.GPE.B.6

Front

How can you find the midpoint of a line segment?

Back

To find the midpoint, average the x-coordinates and the y-coordinates of the endpoints.

Tags

CCSS.HSG.GPE.B.6