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The scale factor of a model plane to the actual plane is 1 to 20.
Find the wing area of the model if the wing area of the actual plane is 400 ft^2

1 Answer

3 votes

Answer:

  • 1 ft²

Explanation:

The scale factor = 1 : 20

The area is the product of two dimensions, so the area of the model part to actual part is:

  • 1 ² : 20 ² =
  • 1 : 400

If the actual plane has wing area of 400 ft², then the model will have wing area:

  • 400 ft² / 400 = 1 ft²
User Giorgio Gelardi
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