If AC = 2.4cm, BC = 1.5cm, then the area of △ AEC is______ .

If AC = 2.4cm, BC = 1.5cm, then the area of △ AEC is______ .

∵∠ C = 90 °, AC = 2.4cm, BC = 1.5cm, ∵ s △ ABC = 12ac · BC = 12 × 2.4 × 1.5 = 1.8cm2, ∵ CE is the middle line of △ ABC, ∵ AEC area = 12S △ ABC = 12 × 1.8 = 0.9cm2