SCALE FACTORS.

. 9. The area of the larger regular OCtagon is exactly 2500 m2. 3) Determine the area of the smaller octagon. b) Determine the scale factor, to the nearest hundredth, that was used to enlarge the smaller regular octagon. 10. a) Suppose that you put a 5 in. by 7 in. picture in a copy machine and click \"enlarge 1 10%." What will the dimensions of the copy be? b) By what percent will the area of the picture increase? Lesson 8.5 11. In a local store, Serena saw a toy pig with a scale ratio of 1 : 16. She estimated that the toy pig was about 10 cm long. She searched online and found a similar toy pig, with a scale ratio of 1 : 64. Estimate the length of the online toy. 12. At the Visitor Centre in 100 Mile House, British Columbia, there is a display of a giant pair of crosscountry skis. An average person would use skis that are 200 cm long and poles that are 150 cm long. The giant skis are 12.0 m long. a) Determine the scale factor that was used to create the display. b) Determine the length of the poles in the display. 508 _ at