Question

in quadrilateral ABCD angle b is equal to angle d is equal to 90 degree ab is equal to 7 cm AC is equal to 25 CM CD is equal to 20 cm find the area of ABCD​

Answer 1

Answer:

by phythagores theorem

ab+bc+cd+da=180

7+bc+20+da=180

bc+da=20+7=180

ad=25-20=5cm

bc=7-25=18