4.10 Geometry Terms

Front

What are two lines which never intersect?

Back

Parallel lines

Front

What is an angle greater than a right angle called?

Back

Obtuse angle

Front

What is an angle smaller than a right angle called?

Back

Acute angle

Front

What is an angle that has the shape of a square corner?

Back

Right angle

Front

What do you call two rays that share an endpoint to create this?

Back

Angle

Front

What is the term for a straight line that goes on forever in both directions?

Back

Line

Front

What do you call a part of a line that has a fixed starting point and goes on forever in one direction?

Back

Ray

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles

Front

What is the term for angles that add up to 180 degrees?

Back

Supplementary angles

Front

What do you call a polygon with four sides?

Back

Quadrilateral