4 years ago

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

2 answers:

7 0

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

netineya [11]4 years ago

3 0

I hope this helps you

3 triangles area+square area

3.30+30

90+30

120

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