Question

nd the surface area of the pyramid. The faces of the triangular pyramid are equilateral triangles.
40 mm
40 mm
34.6 mm
Question content area bottom
Part 1
The surface area is
  
2292
mm cubed .
mm cubed .
mm squared .
mm.
​(Type an integer or a​ decimal.)

Answer 1

2292 mm^2

(Units of surface area are square millimetres, not mm or mm^3.)