Surface area?
Look at the using maths box below. Show that the pattern in the surface area to volume ratio continues for a cube side:
a) 0.1 cm
b) 10m
Look at the using maths box below. Show that the pattern in the surface area to volume ratio continues for a cube side:
a) 0.1 cm
b) 10m
1 Answer
See below.
Explanation:
Let's do a) first.
We can predict, by the box, that the ratio will be
The formula for the surface area of a cube is
For
The volume is
The ratio is
Now for b).
We can predict the ratio will be
For
The area is
The ratio is
The two have been proved.