freddie-hall_60affe9731a91
freddie-hall_60affe9731a91
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a²=72 a = √72 = √36.2 = 6√2 cm (aresta da base) ÁREA LATERAL => Al=4.a.h = 4.6√2.9 = 216√2 cm² ÁREA TOTAL => At = Al +2.Ab = 216√2 +2.72 = 216√2+144= 36(4 +6√2) cm² DIAGONAL => D=√a²+a²+h² = √√6²+√6²+9² =√6+6+81 =√93 cm