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Home > Maths > Measures > Area





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

Highlighted section is moved to form rectangle.

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


Find the area of this parallelogram:


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


Area activity

In the right area? Find out with this activity.



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

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