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a rectangle that is 2 inches by 3 Inches has been scaled by factor of 7 suppose you want to scale the copy back to its original size what scale factor would you use?

Respuesta :

crazychika911
It would be 1/7 since you essentially are dividing by 7 to cancel out the original scaling.

This is about transformation of objects.

Scale factor back to original size = 1/7

  • We are told that the rectangle was scaled by a factor of 7.

What this means is that if the length and width are x and y respectively, then the new scaled measurements will be;

7x and 7y.

  • Now,for us to scale back to the original size, all we need to do is to divide the new scale measurements by a factor of 7.

This means the original size will be;

Length = 7x × 1/7

Width = 7y × 1/7

  • Thus,the scale factor will be 1/7 back to the original size.

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