This figure is a tetrahedron. What is the area of its base?
62.4 square units
36 square units
124.8 square units
22.4 square units
![This figure is a tetrahedron What is the area of its base 624 square units 36 square units 1248 square units 224 square units class=](https://us-static.z-dn.net/files/dd3/983d49786dae83f91504657ccaaf6e48.png)