Front

4 right angles. 4 equal length sides

Back

square

Front

4 right angles. opposite sides are equal and parallel

Back

rectangle

Front

4 sides, 4 angles, 4 vertices

Back

quadrilateral

Front

any closed shape made of line segments

Back

polygon

Front

2 pairs of parallel sides

Back

parallelogram

Front

at least one pair of parallel sides

Back

trapezoid

Front

all sides are equal, can have acute and obtuse angles (less than a right and greater than a right angles)

Back

rhombus

Front

these 2 shapes are the same because they both have 4 right angles

Back

squares and rectangles

Front

these 2 shapes are the same because they have 4 equal length sides

Back

rhombus and square