Area of a trapezoid

Area of a trapezoid

This app demonstrates the area of a trapezoid. Move the sliders to proceed.

<Show embed code>

<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/vzpnwpbr/width/580/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="580px"> </iframe>