1. Area – Learning Outcomes
Solve problems about the area of:
rectangles,
squares,
parallelograms,
triangles,
figures made from combinations of these shapes.

2. pg
Area of Rectangles
The area of a rectangle is its length times its width.
𝐴=𝑙×𝑤
What is the area of these rectangles?
2 km a) b) c)
8 m
5 cm
7 km
20 m
length
width
5 cm

3. Area of Rectangles 6 m The diagram shows a sitting room. 6 mpg
Area of Rectangles
6 m
The diagram shows a sitting room.
What is the area of the floor?
If carpet costs €5 per m2, what would be the cost of carpeting the whole floor?
If floorboards are 20 cm wide and 6 m long, how many would be required to cover the floor?
6 m
7 m
5 m

4. Area of Combinations of Rectanglespg
Area of Combinations of Rectangles
Find the area of the following shapes:
2 cm a) b)
1 cm
2 cm
1 cm
2 cm
3 cm
1 cm
10 m c)
Find the green shaded area of the shape to the right.
1 m
1 m
5 m

5. Area of Parallelogramspg
Area of Parallelograms
The area of a parallelogram is the length of its base times its perpendicular height.
𝐴=𝑎ℎ
The other side length is not involved in the calculation of area, but may be used for perimeter. b h a

6. Area of Parallelogramspg
Area of Parallelograms
Find the area of each of the following parallelograms: a) b)
2 cm
8 m
4 cm
5 m
10 km c)
3 km

7. Area of Triangles
The area of a triangle is half the length of its base times its perpendicular height.
𝐴= 1 2 𝑎ℎ h a

8. Area of Triangles Find the area of these triangles: a) b) 1.5 cm 7 m
1 km
6 m
4 km
4 m

9. Area of Triangles Find the missing side length in these triangles: b)
A = 200 m2
A = 6 cm2 x x
4 cm
20 m d)
A = 50 km2
A = 75 m2
5 km x c) x
10 m

10. Area of Combined Shapes
Find the area of each of the following shapes: b) a) c)

11. Area of Combined Shapes
Find the shaded areas of the following shapes: a) b) c)