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Using the dimensions you're given and those that you can calculate . . .-- Calculate and write down the area of each face of the pyramid.-- Then add up all of the individual areas.-- The sum is the surface area of the pyramid.
Find the surface area of each individual face and then add them together to give the total surface area of the pyramid.
Find The Area Of Base and The Four 'Faces' and add them together.
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
(This is a pyramid with a triangle base)The surface area is: b + 1/2 * p * sb = area of the basep = perimeter of the bases = length of slant sideTo find the volume of a Pyramid:v = 1/3 * b * h b = area of the baseh = height of pyramid