Parallelograms, Rhombi, Rectangles, and Squares

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Tags

CCSS.3.G.A.1

Front

What are the properties of a rectangle?

Back

A rectangle has four right angles, opposite sides that are equal in length, and the diagonals are equal in length.

Tags

CCSS.5.G.B.4

Front

What is a rhombus?

Back

A rhombus is a four-sided figure (quadrilateral) where all sides are of equal length, and opposite angles are equal.

Tags

CCSS.3.G.A.1

Front

What is a square?

Back

A square is a special type of rectangle and rhombus where all four sides are equal in length and all angles are right angles.

Tags

CCSS.5.G.B.4

Front

Is a square a rectangle?

Back

Always. A square meets all the criteria of a rectangle.

Tags

CCSS.5.G.B.4

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a square?

Back

Area = side × side (or side²).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a rhombus?

Back

Area = (diagonal1 × diagonal2) / 2.

Tags

CCSS.6.G.A.1

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length.

Tags

CCSS.HSG.CO.C.11

Front

What is the relationship between the diagonals of a rhombus?

Back

The diagonals of a rhombus bisect each other at right angles.

Tags

CCSS.HSG.CO.C.11