Truncated Prisms

#1: 02:03 - The volume of a truncated prism with an equilateral triangle as it horizontal base is equal to 3600 cu. cm. The vertical edges at each corners are 4, 6, and 8 cm., respectively. Find one side of the base.
#2: 04:49 - Find the volume of a right truncated triangular prism with triangular base whose sides are x, y and z measuring 100 cm, 90 cm, and 120 cm, respectively. The heights as show in the figure below are 86 cm, 71 cm, and 55 cm perpendicular to the triangular bases, respectively.
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