Rectangles, Rhombus, and Squares

Front

What is the definition of a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Tags

CCSS.3.G.A.1

Front

What are the properties of a rhombus?

Back

A rhombus is a parallelogram with four congruent sides.

Tags

CCSS.3.G.A.1

Front

How do you find the measure of an angle in a triangle formed by a rectangle?

Back

Use the properties of angles in a triangle and the relationships between the angles in a rectangle.

Tags

CCSS.HSG.CO.C.11

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length and bisect each other.

Tags

CCSS.HSG.CO.C.11

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 perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Tags

CCSS.3.MD.D.8

Front

How do you determine if a quadrilateral is a rhombus?

Back

A quadrilateral is a rhombus if all four sides are of equal length.

Tags

CCSS.3.G.A.1

Front

What is the formula for the area of a rhombus?

Back

Area = (d1 × d2) / 2, where d1 and d2 are the lengths of the diagonals.

Tags

CCSS.6.G.A.1

Front

What is the relationship between the angles of a rectangle?

Back

All angles in a rectangle are right angles (90 degrees).

Tags

CCSS.5.G.B.4

Front

How do you find the length of a diagonal in a rectangle?

Back

Use the Pythagorean theorem: d = √(length² + width²).

Tags

CCSS.8.G.B.8