1. Area of a rectangle Tuesday, 05 February 2019 Definition:
The Area of a shape is the amount of space inside the shape

2. Area of a rectangle 𝑏 𝑙 Area = 𝑙×𝑏 =length × breadth 𝑙= length

3. Calculate the areas for each of the following rectangles (i) (ii)
Example
Calculate the areas for each of the following rectangles
(i) (ii)
(iii) (iv)
9cm
4cm
11cm
8cm
5cm
27cm
30cm
13cm

4. Work out the area for each of the following rectangles (a)
Example
Work out the area for each of the following rectangles
(a)
Area =
7×4
4 cm
=28 𝑐𝑚 2
7 cm
(b)
Area =
5×3
5 cm
=15 𝑐𝑚 2
3 cm

5. (c) Area = Area = 12 m 12×13 =156 𝑚 2 13 m (d) 4×28 4 mm =112 𝑚𝑚 2
=112 𝑚𝑚 2
28 mm

6. (e) Area = Area = 16 m 16×16 16 m =256 𝑚 2 (f) 3×18 3 cm =54 𝑐𝑚 2
=256 𝑚 2
(f)
Area =
3×18
3 cm
=54 𝑐𝑚 2
18 cm

7. Work out the area for each of the following (a)
Example
Work out the area for each of the following
(a)
(b)
6 cm
3 cm
7 cm
13 cm
16 cm
3 cm
9 cm
5 cm