What is the surface area of the triangular pyramid shown? Round to the nearest tenth.
57.6
69.6
73.2
87.6
PLEASE HELP

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Me on this i beg you on this to answer!

Tiene pendiente -4 y pasa por el punto (-3,-2) encuentre la ecuación de la recta