Find the surface area of the following triangular pyrarnid using the net.
Each triangle is congruent, with a base of 7 ftand a height of 6ft.
![Find the surface area of the following triangular pyrarnid using the net Each triangle is congruent with a base of 7 ftand a height of 6ft class=](https://us-static.z-dn.net/files/d94/182925f4d5bf34750121bdf6e30f7f2c.png)