Parallelograms

Opposite angles are congruent in parallelograms

Opposite sides are congruent in parallelograms

In parallelograms, diagonals always bisect each other

Discover the formula for the area of a parallelogram

This lesson will look at examples to explain geometric concepts.

This lesson will look at Definition and properties of parallelograms and will go through examples.

This lesson will look at an example of Diagonals of a Parallelogram and will go through examples.

This lesson will look at examples to give an explanation how to find the area of rectangles, parallelograms and rhombi in a couple of minutes with this lesson then sample questions solved for you.

In this video lesson Mr. Donnelly will demonstrate how to multiple side lengths to find areas of a rectangle.