Geometric skillsArea of quadrilaterals

Various formulae are used to calculate perimeter, area or volume. The order of rotational symmetry is how many times a shape fits into its original shape during a rotation of 360 degrees.

Part ofMathsGeometry

Area of quadrilaterals

Watch this video to learn how to find the area of quadrilaterals.

To calculate the area of , we need to know two of the basic area formulae.

\(Area\,of\,a\,rectangle = length \times breadth\)

\(Area\,of\,a\,triangle = \frac{1}{2} \times base \times height\)

Question

Calculate the area of the rectangle shown below.

Diagram of a 7cm x 5cm rectangle

Question

Calculate the area of the triangle shown below.

Diagram of a 6cm x 8cm right-angled triangle