4.6D Classifying 2D Figures

Front

What is a trapezoid?

Back

A trapezoid is a 2D figure that has exactly one pair of opposite sides that are parallel.

Front

What is a right angle?

Back

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

Front

Which shapes have at least one right angle?

Back

Shapes like rectangles, squares, and right triangles have at least one right angle.

Front

What defines a rectangle?

Back

A rectangle is a 2D figure with four right angles and opposite sides that are equal in length.

Front

What is a rhombus?

Back

A rhombus is a 2D figure with all sides equal in length and opposite angles equal, but not necessarily right angles.

Front

What is the difference between a square and a rectangle?

Back

A square is a rectangle with all sides equal in length, while a rectangle has opposite sides equal.

Front

What is a polygon?

Back

A polygon is a closed 2D figure made up of straight line segments.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one right angle.

Front

What does it mean for sides to be parallel?

Back

Parallel sides are lines that run in the same direction and never meet, no matter how far they are extended.

Front

What is an obtuse angle?

Back

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