In this section we look at ways of finding the area of shapes which are made up from other shapes.
If we want to find the area of the shape, we can
split it into rectangles, then add together the areas of the rectangles.
Click on the shape once to see it divided up with all measurements marked.
Question 1
Find the area of these shapes. One square on the grid is 1 cm².
Question 2
Find the areas and perimeters of the shapes below.
The diagrams have not been drawn accurately, so you may find it helpful to sketch them on paper.
Question 3
Work out the shaded area in each of the diagrams below.
HINT: You may find it easiest to work out the area of the unshaded part and subtract it from the area of the outer rectangle.
Question 4
Find the areas and perimeters of the shapes below.
The diagrams have not been drawn accurately, so you may find it helpful to sketch them on paper.