Question

a/b = b/c , a = 9c , a+b=16 ,Calcular: " C " ​

Answer 1

${b}^{2} = ac \\ {b}^{2} = 9 {c}^{2} \\ b = 3c \\ 9c + 3c = 16 \\ 12c = 16 \\ c = \frac{4}{3}$