Question

what is the surface area of a triangular pyramid if each face has an area of 30mm squared?

Answer 1

I hope this helps you



3 triangles area+square area


3.30+30


90+30


120

Answer 2

a triangular pyramid has 4 triangles
3 are sides
1 is th base
they are normally all the same area
if 1 is 30
3*4=120
yah, 120mm squared is answer