A regular tetrahedron is a triangular pyramid in which each face is an equilateral triangle.  If the height of a regular tetrahedron is 20 inches then what is the length of each edge of the tetrahedron? Express your answer in simplest radical form.
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<|im_start|>user
A regular tetrahedron is a triangular pyramid in which each face is an equilateral triangle.  If the height of a regular tetrahedron is 20 inches then what is the length of each edge of the tetrahedron? Express your answer in simplest radical form.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
10\sqrt{6}
A regular tetrahedron is a triangular pyramid in which each face is an equilateral triangle.  If the height of a regular tetrahedron is 20 inches then what is the length of each edge of the tetrahedron? Express your answer in simplest radical form.
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