Geometry 1st Semester Vocabulary Review

A statement that is accepted without proof:

• ray

• point

• postulate

A geometric figure made up of infinitely many points; it extends endlessly in two directions:

• line

• point

• plane

Line segments that have the same length:

• plane

• congruent line segments

• ray

The point that divides a line segment into two congruent parts:

• midpoint

• collinear points

• line segment

Points on the same line:

• congruent line segments

• midpoint

• collinear points

Points on the same line:

• congruent line segments

• midpoint

• collinear points

A statement that can be proved:

• line segment

• postulate

• theorem

Which of the following have opposite rays? [choose all that apply]

• 
• 
• 
• 
• 

Which is the opposite ray of ray LN?

• ray QL

• ray LQ

• ray PL

• ray LM

Tags

CCSS.4.G.A.1

Two lines are ___________ if they intersect to form a right angle.

• Perpendicular
• Parallel
• Complementary
• Supplementary