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# Fórmulas de geometria espacial

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### Fórmulas de geometria espacial

1. 1. Só Matemática – O seu portal matemático www.itbsite.blogspot.com Fórmulas de Geometria EspacialPrismas 2 3AB∆ = AL∆ = 3. h 4ABQ = 2 ALQ = 4. h 2 3ABH = 6. ALH = 6. h 4 AT = AL + 2. AB V = AB . h Paralelepípedo CuboAB = a.b AF =  2AT = 2ab + 2bc + 2ac AL = 4 2V = a. b. c AT = 6 2D = a 2 + b2 + c2 V = 3 d face =  2 Dcubo =  3
2. 2. Só Matemática – O seu portal matemático www.itbsite.blogspot.comPirâmidesAL = p. ap ap 2 = h 2 + K 2 FI +G HJ 2 2K AT = AL + AB a 2 = ap 2 AB . hV= a 2 = h2 + R2 3Tetraedro a2 3 a3 2AF = V= 4 12 a2 3AT = a 2 3 AL = 3. 4 a 6h= Obs: K = h do 3 triângulo equiláteroCilindroV = AB . h = πr 2 h AB = πr 2AL = 2πrhAT = 2πr 2 + 2πrhAS = 2rhEquilátero → h = 2r
3. 3. Só Matemática – O seu portal matemático www.itbsite.blogspot.comCone AB . h πr 2 hV= = AB = πr 2 3 3AL = πrg AS = rhAT = πr 2 + πrg g 2 = r 2 + h2Equilátero → g = 2r