Triangular pyramids are the ones which possess a triangular base and it is also known as Tetrahedron. Below is the illustration of the triangular pyramid.

Given:

Base Area = 40 mm

Side Length = 15 mm

Perimeter = 8

We know the formula, Surface Area of Triangular Pyramid = Base Area + 1/2 x Perimeter x Side Length

= 40 + 1/2 x 8 x 15

= 40 + 60

= 100 mm

Use our below online calculator to find surface area of triangular pyramids. Enter the required values and then click calculate to find the output.

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