Quadrilaterals & Angles

Front

What is a quadrilateral?

Back

A quadrilateral is a shape with four sides.

Front

What are the types of angles?

Back

The types of angles are acute (less than 90°), right (exactly 90°), and obtuse (more than 90° but less than 180°).

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What shape has two sets of parallel sides?

Back

A rectangle and a parallelogram both have two sets of parallel sides.

Front

Can a trapezoid have parallel sides?

Back

Yes, a trapezoid has at least one pair of parallel sides.

Front

What is a square?

Back

A square is a quadrilateral with all sides equal and all angles right angles.

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all sides equal, but angles can be different.

Front

Is a square a type of rhombus?

Back

Yes, a square is a special type of rhombus.

Front

What is the sum of the angles in a quadrilateral?

Back

The sum of the angles in a quadrilateral is always 360 degrees.

Front

What is an obtuse angle?

Back

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