Mathematics
Mathematics, 12.04.2021 22:50, aliceohern

An Earring design is shaped like a triangular pyramid. All the faces are equilateral triangles with side lengths of 14 mm. The slant height is 12.1 mm. What is the surface area of the earring ?

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An Earring design is shaped like a triangular pyramid. All the faces are equilateral triangles with...

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