Geometry

Front

What is a shape with no parallel or perpendicular sides called?

Back

A shape with no parallel or perpendicular sides is called a freeform shape.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical halves.

Front

What does it mean for lines to be perpendicular?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is a parallel line?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.

Front

What is a vertex in geometry?

Back

A vertex is a point where two or more lines meet to form an angle.

Front

What is a triangle?

Back

A triangle is a three-sided polygon.

Front

What is a quadrilateral?

Back

A quadrilateral is a four-sided polygon.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.