Math and Arithmetic
Algebra
Area

What is the scale factor from a square foot to a square yard?

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Answer

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Wiki User
05/02/2015

1 : 9

1 yd = 3 ft

→ 1 ft : 1 yd = 1 ft : 3 ft = 1:3

→ 1 sq ft : 1 sq yd = 1 ft × 1 ft : 1 yd × 1 yd = 1 ft × 1 ft : 3 ft × 3 ft = 1 sq ft : 9 sq ft = 1 : 9

As you can seem, the scale factor of an area is the square of the scale factor of a length.