Algebra with Quadrilaterals

Front

What is a parallelogram?

Back

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

Front

What is the property of opposite angles in a parallelogram?

Back

In a parallelogram, opposite angles are equal.

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

How do you find the value of x in a parallelogram when given an equation?

Back

Set up an equation based on the properties of the parallelogram and solve for x.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

If two sides of a parallelogram are equal, what can we say about the other two sides?

Back

The other two sides are also equal in length.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

How do you find the length of a side in a rectangle if given expressions for two sides?

Back

Set the expressions equal to each other and solve for the variable.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

What is the formula for the perimeter of a parallelogram?

Back

Perimeter = 2 × (length + width).