Given that ab = 8cm, ad = 12cm, the area of triangle Abe and triangle ADF are respectively 13% of rectangle ABCD, the area of triangle AEF is calculated

Given that ab = 8cm, ad = 12cm, the area of triangle Abe and triangle ADF are respectively 13% of rectangle ABCD, the area of triangle AEF is calculated

12 × 8 = 96 (square centimeter), 96 × 13 = 32 (square centimeter), 32 × 2 △ 8 = 8 (centimeter), 32 × 2 △ 12 = 513 (centimeter), 12 × (12-8) × (8-513), = 12 × 4 × 83, = 513 (square centimeter), 96 - (32 + 32 + 513), = 96-6913, = 2623 (square centimeter). Answer: the area of triangle AEF is 2623 square centimeter