解答:解:(1)如图所示:A′(-2,0),B′(3,5),C′(3,-5).故答案为:(-2,0),(3,5),(3,-5);(2)∵S△ABC= 1 2 ×10×5=25,S重合= 1 2 ×4×2=4∴S不重合=2S△ABC-2S重合=50-8=42.故答案为:42.