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Area

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Parallelograms

The area of a parallelogram is the base × perpendicular height (b × h).

area = base (b) x height (h)

You can see that this is true by rearranging the parallelogram to make a rectangle.

Rearranging a parallelogram

Area of a parallelogram

Regular parallelogram showing base and height.

Use the perpendicular height of the parallelogram, not the sloping height.

Question

Find the area of this parallelogram:

Answer

The answer is 21cm2.
Remember to use the perpendicular height.

Activity

Area activity

In the right area? Find out with this activity.

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Questionaut

Join Questionaut's quest to find his friend's hat.

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