Intro to Basic Geometry Terms

A__________ is a fixed position in space and has no dimensions or size.

• Point

• Line

• Plane

• Cube

An angle with a measure between 0 and 90 degrees is called an _____________________.

• acute angle

• right angle

• obtuse angle

• straight angle

An angle with a measure equal to 90 degrees is called a __________________________.

• right angle

• obtuse angle

• acute angle

• congruent angle

Name the image

• Line

• Ray

• Line segment

• Angle

Two lines intersect at a ....

• angle

• point

• line

• intersection

Give another name for line k.

• Line BC

• Line BCE

• Line ED

• Line k is the only name, there isn't another name.

A line is named by...

• Any 2 points on the line, or a lowercase script letter.

• Any 3 points on the line.

• Any 1 point on the line.

• Any 3 points on the line, or a uppercase script letter.

An angle is made up of two _____________ that share a common ________________. 

• rays, endpoint

• endpoint, rays

• vertexes, name

• angles, point

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

What are vertical angles?

• Angles that are adjacent to each other

• Angles that add up to 180°

• Angles that are opposite of each other when lines intersect

• Angles that add up to 90°