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The area of the entire surface of a triangular prism with the base side a = 6 and height h = 11 equal to 229.176

Select the type of prism:
Side a: Height h:

Triangular prism

A regular triangular prism is a geometric figure whose base is an equilateral triangle.
Triangular prism surface area formula Triangular prism surface area formula where a is the side of the base, h is the height of the prism

Solution:
S =
6·a·h+a2·3
2
=
6·6·11+62·3
2
=
396+36·1.732
2
=
396+62.352
2
=
458.352
2
=
229.176

a: The area of the entire surface of a triangular prism with the base side a = 6 and height h = 11 equal to 229.176