Question

Usando a propriedade b2=n2+h2 encontre o valor de b.
a)b=4


b)b=0


c)b=1


d)b=3


e)b=5

Answer 1

$b^2=h^2+n^2 \\ \\ b^2=(\frac{9}{5})^2+(\frac{12}{5})^2 \\ \\ b^2= \frac{81}{25}+ \frac{144}{25} \\ \\ b^2= \frac{225}{25} \\ \\ b^2=9 \\ \\ b=\sqrt9 \\ \\ b=3$

Alternativa d).