Geometry Rays Lines Line Segments

Which terms are considered undefined terms in Euclidean geometry?

• Point, plane, line segment

• Point, line, plane

• Line, plane, angle

• Point, line, ray

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.

An example of coplaner points

• D, E, B

• C, B, A

• M, E, C

• A, F, E

Give another name for line b

• line a

• R

• line KL

• line HK

How would you describe points I, L, C?

• collinear

• non-coplanar

• symmetric

• coplanar

A plane containing point A.

• Plane DEA

• Plane k

• Plane CDF

• Plane F

Name the intersection of planes P & R. Give the best answer.

• Point D

• Point A

• Line AB

• Line FG

Name a point non-coplanar to Plane R

• Point K

• Point M

• Point R

• Point H

Name the intersection of Line c and Plane R

• Point J

• Line HK

• Point K

• Line MN

Name the intersection of planes ADF and EHG.

• Point E

• Point F

• Line EF

• Line FG