Question

find the area of a quadrilateral ABCDin which AB=3cm,BC=4cm,CD=4cm,DA=5cm and AC=5cm

Answer 1

Hey dear here is your solution::::::::::::

As you know that.........
sum of opposite sides are always in quadrilateral....

AB + CD = AC + BD
=. 3cm +4cm = 5cm + BD
= 7cm = 5cm + BD
= 7cm - 5cm = BD
= 2cm = BD //ANSWER