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    				| 1. | 
                                    The diagonal AC of a quadrilateral ABCD is 6 cm and the perpendiculars, BM from the vertex B is 3 cm and DN from D is 5 cm, dropped on the same diagonal. Find the area of the quadrilateral ABCD. | 
                            
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Answer»  lyivenBM = ЗамDN = 50In A ABC =Lxacx ВМ 2 9.3 In A ADC = 1 X AC XDN = 1x6x5 = 15in AUREA of a QUADILATERAL ABCD.= ДАВС + ∆ ADC= 9+15= 21 Спив  | 
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