(1)如图1; (2)如图2,∵A′B′=4,C′D′=4,∴S△A′B′C′= 1 2 A′B′×C′D′= 1 2 ×4×4=8,∵△A′B′C′由△ABC平移而成,∴S△ABC=S△A′B′C′=8.