4th Grade Geometry

Front

What is a quadrilateral with 2 sets of parallel lines?

Back

Parallelogram

Front

What is a straight path that extends infinitely in both directions?

Back

Line

Front

What do you call lines that never meet and are always the same distance apart?

Back

Parallel Lines

Front

What is an angle that is less than 90 degrees called?

Back

Acute Angle

Front

What type of angle is exactly 90 degrees?

Back

Right Angle

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse Angle

Front

What do you call an angle that is exactly 180 degrees?

Back

Straight Angle

Front

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

Back

Line Segment

Front

What is a part of a line that has one endpoint and extends infinitely in one direction?

Back

Ray

Front

What do you call two lines that intersect at a right angle?

Back

Perpendicular Lines