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# Need help with a maths question! Watch

1. Here's the question:
Cones P and Q are similar.
The volume of cone P is 125 times the volume of cone Q
If the surface area of P is 40cm^3,
calculate the surface area of Q
2. (Original post by jaspreetb)
Here's the question:
Cones P and Q are similar.
The volume of cone P is 125 times the volume of cone Q
If the surface area of P is 40cm^3,
calculate the surface area of Q
Zacken move to maths?
3. (Original post by jaspreetb)
Here's the question:
Cones P and Q are similar.
The volume of cone P is 125 times the volume of cone Q
If the surface area of P is 40cm^3,
calculate the surface area of Q
Volume scale factor = linear scale factor^3

Area scale factor = linear scale factor^2

So volume scale factor = area scale factor^1.5
4. (Original post by thefatone)
Zacken move to maths?
Its GCSE Maths, surely its fine to stay here

Besides, I think we'd all rather the Maths forum was A-level +
5. I figured it out before I even saw your answers guys! Sorry for wasting your time, but thanks anyways

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