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Answers (1)
1) Use formula: V=BH First, find the perimeter: 2s=7+8+9 s=12 then find the base b=(12(12-7)(12-8)(12-9))^1/2 =12sqrt5 --> V=12sqrt5*8 =96sqrt5 or about 214.663 units^3 2) Use formula: total surface area=base perimeter*height + 2*area of base First, find
