A rectangle 5cm in length and 3cm in width, the area of the figure obtained by 4:1 magnification is______ cm2.
5 × 4 = 20 (CM), 3 × 4 = 12 (CM), 20 × 12 = 240 (square cm). Answer: the area of the figure is 240 square cm
5 × 4 = 20 (CM), 3 × 4 = 12 (CM), 20 × 12 = 240 (square cm). Answer: the area of the figure is 240 square cm