4th Grade Geometry Vocabulary Flashcards

Front

What is the name of a shape with three sides?

Back

B) Triangle

Front

Which angle measures exactly 90 degrees?

Back

B) Right Angle

Front

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

Back

C) Ray

Front

Which shape has all sides equal and all angles equal to 90 degrees?

Back

B) Square

Front

What is the term for a line segment that passes through the center of a circle and has its endpoints on the circle?

Back

B) Diameter

Front

What is the name of a four-sided polygon?

Back

B) Quadrilateral

Front

Which lines never meet and are always the same distance apart?

Back

C) Parallel Lines

Front

What is the term for a part of a line with two endpoints?

Back

C) Line Segment

Front

What is the name of the point where two rays meet to form an angle?

Back

B) Vertex

Front

Which shape is perfectly round and has all points equidistant from the center?

Back

C) Circle