PDF 4.1 Enlargement and Reduction Extra Practice Math 9 Name: _____ Unit 4 Block: ___ Date: _____ 4.1 Enlargement and Reduction Extra Practice 1. Enlarge the following shapes based on the scale factor given. a) Scale factor = 2 b) Scale factor = 2.5 A diagram is enlarged if the scale factor is _____. 2. If a triangle with side lengths 3 cm, 4 cm, and 5 cm is enlarged with a scale factor of 4. ...