Euclidean Geometry Terms

Multiple Choice

The three undefined terms in Geometry are...

• Point, Ray, Segment

• Line, Plane, Triangle

• Point, Line, Plane

• Peanut, Butter, Jelly

Multiple Choice

To name a plane, you must use _________ points.

• 1

• 2

• 3

• 4

Multiple Choice

Two angles that sum to 90 degrees are said to be...

• Obtuse

• Complimentary

• Supplementary

• Right

Multiple Select

Select all that are true:

• A point is an "undefined" term

• Isosceles triangles have no sides congruent

• A line needs two points in order to be named correctly

• Supplementary angles sum to 180 degrees

Multiple Choice

Two lines that intersect and form 90 degree angles are known as...

• Parallel lines

• Intersecting lines

• Right lines

• Perpendicular lines

Multiple Choice

What is the difference between a LINE SEGMENT and a LINE?

• Line Segments are two-dimensional, Lines are one-dimensional

• Lines can be represented on single planes; Line Segments can only be represented on multiple planes.

• Line Segments have finite lengths; Lines go on forever.

• Line segments are geometric figures; Lines are not.

Multiple Choice

Baymax's eyes make a...

• Line

• Line segment

• Ray

• Angle

Multiple Choice

Part of a line. Has one endpoint and continues on forever in one direction.

• Line Segment

• Line

• Ray

• Point

Multiple Choice

In a geometric system, which would best describe how postulates differ from theorems?

• Postulates do not require a proof and are presumed true, while theorems are statements requiring proof.

• Postulates are statements that require proof, while theorems cannot be proven.

• Both postulates and theorems do not require proof and are assumed to be true.

• There is no difference between postulates and theorems.

Multiple Choice

An example of coplaner points

• D, E, B

• C, B, A

• M, E, C

• A, F, E

Multiple Choice

Give another name for line b

• line a

• R

• line KL

• line HK

Multiple Choice

Name the intersection of Line c and Plane R

• Point J

• Line HK

• Point K

• Line MN

Multiple Choice

Which word best best describes a set of 3 or more different points that are all on the same line.

• Accurate

• Line-up

• Collinear

• Sightline

Multiple Choice

An exact location in space with no length or width.

• Ray

• Point

• Line

• Line segment

Multiple Choice

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.

Multiple Choice

This is what kind of angle?

• right

• acute

• obtuse

• straight

Multiple Choice

This is what kind of angle?

• acute

• obtuse

• right

• straight

Multiple Choice

What is a straight angle?

• An angle that measures more than 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 180 degrees. 

Multiple Choice

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

Multiple Choice

What are complementary 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.