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A triangular pyramid has a surface area of 336 square inches, it is made up of equilateral triangles with a side length of 12 inches, what is the slant height

A triangular pyramid has a surface area of 336 square inches, it is made up of equilateral triangles with a side length of 12 inches, what is the slant height
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a triangular pyramid has a surface area of 336 square inches, it is made up of equilateral triangles with a side length of 12 inches, what is the slant height

User Huruji
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1 Answer

2 votes
Since the sides are equilateral triangles the slant height is the same as the normal height of an equilateral triangle with sides of 12 inches...

sin60=h/12

h=12sin60 in

h=10.4 in (to nearest tenth)
User TNV
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