The surface area of a triangular pyramid is 1836 ft2.

If all the faces of the pyramid are congruent, what is the area of one face of this pyramid?

A.

306 ft2

B.

459 ft2

C.

612 ft2

D.

5508 ft2

A triangular pyramid has 4 triangular faces. If all 4 have the same area, then one of them has area 1/4 of the surface area, 1836. That gives 459 sq ft as the area of one of the triangular faces.