# Question: i dont understand 2a how do i know whats a...

###### Question details

I don't understand 2a.

How do I know what's a 6cm by 7cm rectangle? Which is the width and
which is the length?

Also I don't understand the concept of scale factoring a and b

I don't understand 2a.

How do I know what's a 6cm by 7cm rectangle? Which is the width and
which is the length?

Also I don't understand the concept of scale factoring a and b