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Raiz quadrada não exata.Como racionalizar?
Teorema de pitágoras:
hip2=c2+c2
h2=12aoquadrado+18aoquadrado
h2=144+324
h=raiz de 468
No gabarito está 21,66,mas eu não sei como racionalizar.é uma questão de concurso.
Me expliquem com muita clareza,pois eu tenho muita dificuldade com matematica.façam passo a passo para mim.
Obrigado.
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