1.

What is the area of a quadrilateral ABCD in which AB=3cm,BC=4cm,CD=6cm,DA=5cm and diagonal AC =5cm​

Answer»

AREA of QUADRILATERAL ABCD = area of triangle ABC + area of triangle ADC

                                             

Area of triangle ABC = 3 + 4+ 5     = 6 cm^2

                                             2

Area of triangle ADC = 5 + 5 + 6   = 8 cm ^2

                                            2

Area of quadrilateral = 6 + 8 = 14 cm^2.

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