(This is a pyramid with a triangle base)
The surface area is: b + 1/2 * p * s
b = area of the base
p = perimeter of the base
s = length of slant side
To find the volume of a Pyramid:
v = 1/3 * b * h b = area of the base
h = height of pyramid
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first you find the area of the base and then you find the area one side of the pyramid an you time it with 3 if it is a triangular pyramid or 4 if it is a square pyramid
Volume of a pyramid in cubic units = 1/3*base area*height
If it is a 4 faced tetrahedron pyramid then its complete surface area is 4*80 =320 square centimetres
you dont
Find th elateral area of a rectangular pyramid having height 9 , base lenght 6 and base width 7