Scale Factor Review

Front

What happens to a figure when the scale factor is less than one?

Back

The new figure will be a reduction.

Front

What is the scale factor if the original triangle is reduced to half its size?

Back

1/2

Front

If the perimeter of a smaller rectangle is 16 and the scale factor is 2, what is the perimeter of the larger rectangle?

Back

32

Front

What is the scale factor from a small fry to a large fry if the large fry is three times bigger?

Back

3

Front

If a triangle has a side length of 5 and is enlarged by a scale factor of 2, what is the new side length?

Back

10

Front

What is the definition of scale factor?

Back

The ratio of the length of a side of a scaled figure to the length of the corresponding side of the original figure.

Front

If a rectangle has a length of 4 and a width of 2, what is the area of the rectangle?

Back

8

Front

If the scale factor is 3, what happens to the area of the figure?

Back

The area increases by a factor of 3^2, or 9.

Front

What is the scale factor if a figure is enlarged from a size of 2 to a size of 8?

Back

4

Front

If a square has a side length of 6 and is reduced by a scale factor of 1/2, what is the new side length?

Back

3