Question

The first pentagon is dilated to form the second pentagon. Drag and drop the answer to correctly complete the statement. The scale factor is . A pentagon with a side length of 4. An arrow points to a larger pentagon with a side length of 5

Answer 1

To find the scale factor, we want to find the number that we would multiply 4 by to get 5.  This gives us the equation 4x = 5.  Solve by dividing both sides by 4:
4x/4 = 5/4
x = 1.25
The scale factor is 1.25.