Question

yThe diagram shows a dilation of line ABabout the origin O. Determine the scalefactor of the dilation by following thesesteps.1. Measure these lengths:OA =unitsOA' =units2B0B4681012Α Α'-2.-4Check3456

Answer 1

Step 1: Concept

Dilation can be shrinks or stretches.

Step 2:

The pre-image AB was stretch to Image A'B'.

Step 3:

The length of OA may be 3 units, you can verify with your ruler

The length of OA' may also be 4 units, kindly confirm both lengths with your ruler.