1st Semester Geometry Vocab

What is the definition of "Adjacent"?

• Two angles that add up to 90 degrees

• Two angles that share a common side and vertex

• A straight path that extends infinitely in both directions

• A closed figure with three or more sides

What does "Collinear" mean?

• Points that lie on the same line

• Lines that intersect at a right angle

• Angles that add up to 180 degrees

• A part of a line with two endpoints

What are "Complementary Angles"?

• Two angles that add up to 180 degrees

• Two angles that add up to 90 degrees

• Two angles that share a common side and vertex

• Two angles that are equal in measure

What does "Congruent" mean in geometry?

• Figures that have the same shape and size

• Lines that intersect at a right angle

• Angles that add up to 180 degrees

• A part of a line with two endpoints

What is a "Line" in geometry?

• A part of a line with two endpoints

• A straight path that extends infinitely in both directions

• A flat surface that extends infinitely in all directions

• A figure formed by two rays with a common endpoint

What is a "Line Segment"?

• A part of a line with two endpoints

• A straight path that extends infinitely in both directions

• A flat surface that extends infinitely in all directions

• A figure formed by two rays with a common endpoint

What is the definition of "Midpoint"?

• The point where two lines meet

• The point that divides a line segment into two equal parts

• A figure formed by two rays with a common endpoint

• A flat surface that extends infinitely in all directions

What does "Perpendicular" mean in geometry?

• Lines that do not intersect

• Lines that intersect at a right angle

• Points that lie on the same line

• Angles that add up to 90 degrees

What is a "Plane" in geometry?

• A part of a line with two endpoints

• A straight path that extends infinitely in both directions

• A flat surface that extends infinitely in all directions

• A figure formed by two rays with a common endpoint

What is the definition of a right angle?

• An angle that measures exactly 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures more than 90 degrees.

• An angle that measures exactly 180 degrees.