Scale Factor

Front

What is the scale factor?

Back

The scale factor is a number that describes how much a shape is enlarged or reduced compared to another shape.

Front

If the scale factor is greater than 1, the copy is...

Back

bigger.

Front

If the scale factor is less than 1, the copy is...

Back

smaller.

Front

What is the scale factor from a shape with a side length of 2 to a shape with a side length of 8?

Back

4.

Front

What is the scale factor from square A to square B if square A has a side length of 5 and square B has a side length of 15?

Back

3.

Front

How do you calculate the scale factor?

Back

Divide the length of a side of the larger shape by the length of the corresponding side of the smaller shape.

Front

What is the scale factor from a triangle with a height of 3 to a triangle with a height of 12?

Back

4.

Front

If Triangle DGF is a scale copy of Triangle EGD and the scale factor is 2, what is the relationship between their areas?

Back

The area of Triangle DGF is 4 times the area of Triangle EGD.

Front

What happens to the dimensions of a shape if the scale factor is 0.5?

Back

The dimensions of the shape are halved.

Front

What is the scale factor from a rectangle with a width of 4 and a length of 10 to a rectangle with a width of 8 and a length of 20?

Back

2.