Tipis protected nomadic people from the elements for years. For large families, these cone shaped dwellings often had a floor diameter of metres and a height of metres. For smaller families, these cone shaped dwellings were often reduced to having a floor diameter of 7 metres and a height of metres.

1. Determine the scale factor.
   
   
   
   
   
2. Determine the surface area of the original, larger tipi including the floor.
   
   
   
   
   
   
   
3. What is the surface area of a tipi that has all dimensions that are half the size of the original, larger tipi?
   
   
   
   
   

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