4th Grade Geometry Review

Front

What is an angle that measures 180 degrees?

Back

Straight angle

Front

What do we call lines that intersect to form right angles?

Back

Perpendicular lines

Front

An angle that measures 89° is classified as what?

Back

Acute angle

Front

What are lines that cross at a point called?

Back

Intersecting lines

Front

What is an exact location in space represented by a dot?

Back

Point

Front

What do we call an angle that measures more than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

What is the term for lines that never meet and are always the same distance apart?

Back

Parallel lines

Front

What is a part of a line that has two endpoints?

Back

Line segment

Front

What do we call a straight line that starts at a point and extends infinitely in one direction?

Back

Ray

Front

What is the term for an angle that measures exactly 90 degrees?

Back

Right angle