Quadrilateral angle properties

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 sum of the interior angles of a quadrilateral?

Back

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

Front

What are the properties of angles in a parallelogram?

Back

In a parallelogram, opposite angles are equal, and adjacent angles are supplementary (sum to 180 degrees).

Front

If one angle of a parallelogram is 33 degrees, what are the measures of the other angles?

Back

The opposite angle is also 33 degrees, and the adjacent angles are each 147 degrees.

Front

What is a rhombus?

Back

A rhombus is a type of parallelogram where all four sides are of equal length.

Front

What is the relationship between the angles of a rhombus?

Back

In a rhombus, opposite angles are equal, and adjacent angles are supplementary.

Front

How do you find the measure of an unknown angle in a rectangle?

Back

In a rectangle, all angles are right angles (90 degrees). If one angle is unknown, it is also 90 degrees.

Front

What is the measure of angle CBD in a rhombus if angle ABC is 140 degrees?

Back

Angle CBD is 40 degrees, as opposite angles in a rhombus are equal and adjacent angles are supplementary.

Front

If angle ABC of parallelogram ABCD is 133 degrees, what is the measure of angle DAB?

Back

Angle DAB is 47 degrees, as adjacent angles in a parallelogram are supplementary.

Front

What is the formula for finding the measure of an exterior angle of a polygon?

Back

The measure of an exterior angle of a polygon is equal to 360 degrees divided by the number of sides.