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O triangulo retângulo ABC é isósceles, e a área do quadrado BCDE é 128 cm². Qual é a medida do lado AB?
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O triangulo retângulo ABC é isósceles, e a área do quadrado BCDE é 128 cm². Qual é a medida do lado AB?

User Mehdi Ibrahim
by
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1 Answer

5 votes

áreaBCDE = 128 cm² => BC = 8√2 cm

BC = AB√2 =>

8√2 = AB√2 =>

AB = 8 cm

User Maximilian Krause
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