# A-A* stuff 4 Maths - LINE SEGMENTS

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- Created by: Zoeeee
- Created on: 05-05-11 17:47

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**LINE SEGMENTS**

For scale factor n:

The sides : n times bigger

The areas : n(squared) times bigger

The volume : n(cubed) times bigger

**SO...**

Lengths a:b e.g. 3:4

Areas a(squared):b(squared) e.g. 9:16

Volumes a(cubed):b(cubed) e.g. 27:64

**EXAMPLE QUESTION**

Two spheres have surface areas of 16m(squared) and 25m(squared). Find the…

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