3 years ago

Find the surface area of the regular pyramid

Mathematics

2 answers:

Fofino [41]3 years ago

3 0

Answer:

I do not know, but I do know the formula.

The formula is: 12pl+B where p represents the perimeter of the base, l the slant height and B the area of the base.

Vlad1618 [11]3 years ago

3 0

The top 3 triangles are the same and the area for a triangle is 1/2 base*height so 3(1/2*6.1*12.2)+(1/2*6.1*5.3)=127.795
Or about 128

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