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# Try to solve this~

1. given a regular tetrahedron with edge 10 in. find its altitude.

2. The frustum of a regular triangular pyramid has equilateral triangles for its bases. the lower and upper base edges are 9m and 3m respectively. it the volume is 118.2 cu. m. how far apart are the bases?

Note by Jon-jon Castro
4 years, 8 months ago

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