1. Surface Area
Wednesday, 24 April 2019

2. Example
Obtain the surface area of the cuboid drawn below
4cm
6cm
Example
Obtain the surface area of a cube with side 7cm

3. Obtain the surface area of the cylinder drawn below
Example
Obtain the surface area of the cylinder drawn below
5cm
3cm

4. Example
Find the Surface area for each of the following solids
(i)
37cm
20cm

5. (ii) 8cm 13cm 5cm 5×8 =40 5×13 =65 8×13 =104 Surface Area=
=( )×2
=418 cm2

6. Which has the greatest surface area?
Example
Which has the greatest surface area?
10cm
9cm
4cm
6cm
7cm