Hello
For Quadrilaterals, go to this chapter https://www.teachoo.com/subjects/cbse-maths/class-9th/ch8-9th-quadrilaterals/
And start solving questions from concept wise.
We have divided each question into concepts and made it from easy to difficult.
Check this video for more details https://www.youtube.com/watch?v=6wlPfl35Cco
Written on Nov. 6, 2017, 8:14 p.m.