Find area of trapezium ABCD ;AB||DC in which AB=9cm,DC=4cm,AD=5cm and BC=5cm

Answer 1

Drop altitudes from C and D. That will create a rectangle and two right triangles. I'm sure you can find those areas.

Don't forget the Pythagorean Theorem to find the altitude.

Answer 2

Sir show me miscellaneous exercise of mensurstion