understanding quadrilaterals CBSE Class 8 Maths Assigment 2

<span data-mce-type="bookmark" style="display: inline-block; width: 0px; overflow: hidden; line-height: 0;" class="mce_SELRES_start"></span><span data-mce-type="bookmark" style="display: inline-block; width: 0px; overflow: hidden; line-height: 0;" class="mce_SELRES_start"></span>
NCERT Solutions for maths in Video https://www.youtube.com/user/cbsepapers/videos