parallelograms

Front

What is a parallelogram?

Back

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

Tags

CCSS.3.G.A.1

Front

What are the properties of opposite sides in a parallelogram?

Back

In a parallelogram, opposite sides are congruent (equal in length).

Tags

CCSS.HSG.CO.C.11

Front

What is true about the angles in a parallelogram?

Back

The opposite angles in a parallelogram are congruent, and consecutive angles are supplementary (add up to 180 degrees).

Tags

CCSS.HSG.C.A.3

Front

If one angle of a parallelogram measures 40 degrees, what is the measure of the opposite angle?

Back

The opposite angle also measures 40 degrees.

Tags

CCSS.HSG.C.A.3

Front

If one angle of a parallelogram measures 40 degrees, what is the measure of the consecutive angle?

Back

The consecutive angle measures 140 degrees.

Tags

CCSS.HSG.C.A.3

Front

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

Back

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

Front

What can be said about the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other but are not necessarily congruent.

Front

If the diagonals of a quadrilateral are congruent, what can be inferred about the shape?

Back

If the diagonals of a quadrilateral are congruent, it may be a rectangle or a rhombus.

Front

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

Back

Use the properties of angles in a parallelogram: opposite angles are equal, and consecutive angles are supplementary.

Tags

CCSS.HSG.CO.C.11

Front

What is the relationship between the sides of a parallelogram?

Back

In a parallelogram, opposite sides are parallel and equal in length.

Tags

CCSS.HSG.CO.C.11