4th grade math vocabulary

Front

What is a quadrilateral with 2 pairs of parallel sides and 4 congruent sides?

Back

Rhombus

Front

What are lines that will never intersect called?

Back

Parallel lines

Front

What is a right angle?

Back

A 90 degree angle

Front

What do perpendicular lines do?

Back

They intersect at a right angle.

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What is a polygon with 5 sides called?

Back

Pentagon

Front

What is the term for a line segment that connects two non-adjacent vertices of a polygon?

Back

Diagonal

Front

What is the name of a triangle with one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What is the term for the distance around a shape?

Back

Perimeter