Extend lines from point O to B and C, and indicate new scale factor points half the distance on lines OB and OC. Notice that OA is \({6}\) units and OA' is \({2}\) units. BC is \({3}\) units and B ...

This will give you the scale factor of enlargement. A rectangle has been enlarged. Find the scale factor of enlargement. To find the scale factor of enlargement, divide one of the larger lengths ...