This is suitable for self learning or classroom lesson presentation.
Please refer to the original page at Geogebra tube for background information and details or to download if you need : https://www.geogebra.org/m/d2hrHaGt
{source}
<iframe scrolling="no" title="Area of Trapezium (Proof using Parallelogram)" src="https://www.geogebra.org/material/iframe/id/bQfECT9X/width/924/height/477/border/888888/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/false/rc/false/ld/false/sdz/false/ctl/false" width="924px" height="477px" style="border:0px;"> </iframe>
{/source}
This is suitable for self learning or classroom lesson presentation.
Please refer to the original page at Geogebra tube for background information and details or to download if you need : http://www.geogebra.org/material/show/id/BTCSvEDZ