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 May 11th, 2017, 11:52 AM #1 Newbie   Joined: May 2017 From: Latvia Posts: 1 Thanks: 0 Finding prism parameters using trigonometry 1. Find volume and sides surface are of regular triangle prism, if height is 15, but diagonal of side is 17. 2. Find surface area sides of regular rectangle prism, if diagonal is 13 and it says edges diagonal is 12, but I assume it's mistake and it should be sides diagonal. 3. Find height of rectangular parallelepiped, if its base sides are 6 and 8 and its diagonal makes 60 degree angle with base. 4. Find volume of straight parallelepiped with rhombus base, if length of side is 6 and smaller angle is 60 degrees. I think this should be posted in trigonometry, so correct me if I'm wrong. Last edited by skipjack; May 11th, 2017 at 08:23 PM.

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