The formula for the surface area of a triangular pyramid is derived using the formulas for the lateral area and the base area.
The lateral area (A) of a triangular pyramid is given by the formula:
A = (1/2) × perimeter of base × slant height
The base area (B) of a triangular pyramid is given by the formula:
B = (1/2) × base length × height
To calculate the surface area (SA) of a triangular pyramid, you need to add the base area to the lateral area:
SA = A + B
So, without knowing the context or specific formula mentioned, it is difficult to determine which formula is being referred to in your question.
When creating the formula for the surface area of the triangle pyramid, SA equals half a B +3 in parentheses 12 pounds) with formula is being used
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