Properties of Rectangles/Rhombi/Squares

Front

What is a rectangle?

Back

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

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 that has all sides equal and all angles equal to 90 degrees.

Tags

CCSS.5.G.B.4

Front

Are all rectangles rhombuses?

Back

Never true. While all squares are rectangles and rhombuses, not all rectangles are rhombuses.

Tags

CCSS.5.G.B.4

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

Front

What is the measure of the angles in a square?

Back

All angles in a square measure 90 degrees.

Tags

CCSS.HSG.CO.C.11

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

Area = length × width = 10 cm × 5 cm = 50 cm².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the diagonals of a rectangle are equal, what can be said about the rectangle?

Back

The rectangle is also a square if all sides are equal.

Tags

CCSS.HSG.CO.C.11

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Tags

CCSS.3.MD.D.8

Front

If the sides of a rhombus are 6 cm, what is the perimeter?

Back

Perimeter = 4 × side = 4 × 6 cm = 24 cm.

Tags

CCSS.3.MD.D.8