The area of a shape is a measure of the two dimensional space that it covers. A shape's area is measured in squares, eg square centimetres, square metres and square kilometres.

Part of

Look at the triangle below:

If you multiply the base by the perpendicular height, you get the area of a rectangle. The area of the triangle is **half** the area of the rectangle.

So, to find the area of a triangle, multiply the base by the perpendicular height and divide by two. The formula is:

Remember to only use the perpendicular height of the triangle in place of .

- Question
Find the area of this triangle:

The area of the triangle is: