Rectangle, Rhombus, and Squares

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with opposite sides that are equal in length and four right angles (90 degrees).

Tags

CCSS.3.G.A.1

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all four sides of equal length and opposite angles that 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 (90 degrees).

Tags

CCSS.5.G.B.4

Front

What are the properties of a rectangle?

Back

1. Opposite sides are equal. 2. All angles are 90 degrees. 3. Diagonals are equal in length.

Tags

CCSS.HSG.CO.C.11

Front

What are the properties of a rhombus?

Back

1. All sides are equal. 2. Opposite angles are equal. 3. Diagonals bisect each other at right angles.

Tags

CCSS.HSG.CO.C.11

Front

What are the properties of a square?

Back

1. All sides are equal. 2. All angles are 90 degrees. 3. Diagonals are equal and bisect each other at right angles.

Tags

CCSS.HSG.CO.C.11

Front

How do you find the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you find the area of a rhombus?

Back

Area = (diagonal1 × diagonal2) / 2.

Tags

CCSS.6.G.A.1

Front

How do you find the area of a square?

Back

Area = side × side.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What does it mean if the diagonals of a rhombus are perpendicular?

Back

It means that the diagonals intersect at a 90-degree angle.