Question

15 pontos!!!! resolver a equação envolvendo raíz quadrada

Answer 1

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$\frac{AB}{ \frac{1}{2} } = \frac{ \sqrt{128} }{ \frac{ \sqrt{2} }{2} } \\ \\ AB \frac{ \sqrt{2} }{2} = \frac{1}{2} \sqrt{128} \\ \\ AB= \frac{ \sqrt{128} }{2} \div \frac{ \sqrt{2} }{2} \\ \\ AB= \frac{ \sqrt{128} }{\not2} \times \frac{\not2}{ \sqrt{2} } \\ \\ AB= \frac{ \sqrt{128} }{ \sqrt{2} } \\ \\ AB= \sqrt{64} \\ \\ AB=8$