Quadrilateral Proofs

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides, four vertices, and four angles.

Tags

CCSS.2.G.A.1

Front

What are the properties of a rectangle?

Back

A rectangle has opposite sides that are equal and parallel, and all angles are right angles (90 degrees).

Tags

CCSS.5.G.B.4

Front

What defines a parallelogram?

Back

A parallelogram is defined as a quadrilateral with opposite sides that are both equal in length and parallel.

Tags

CCSS.2.G.A.1

Front

What is the property of opposite angles in a parallelogram?

Back

In a parallelogram, opposite angles are equal.

Tags

CCSS.HSG.CO.C.11

Front

What is the relationship between the diagonals of a rectangle?

Back

In a rectangle, the diagonals are equal in length and bisect each other.

Tags

CCSS.HSG.CO.C.11

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is found using the formula: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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 the property of the diagonals in a rhombus?

Back

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

Tags

CCSS.HSG.CO.C.11

Front

What is a square?

Back

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

Tags

CCSS.5.G.B.4

Front

How do you find the area of a square?

Back

The area of a square is found using the formula: Area = side².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3