QUESTION IMAGE
Question
△qrs ~ △tuv. resolver para y y z.
s
3
9
t
6
r
21
у
u
Step1: Establecer proporciones
Como $\triangle QRS\sim\triangle TUV$, las proporciones de los lados correspondientes son iguales.
$$\frac{QS}{TV}=\frac{QR}{TU}=\frac{RS}{UV}$$
Step2: Calcular \(y\)
Usando $\frac{QS}{TV}=\frac{QR}{TU}$, donde $QS = 3$, $TV = 9$, $QR = 6$, $TU = y$.
$$\frac{3}{9}=\frac{6}{y}$$
$$3y=9\times6$$
$$3y = 54$$
$$y=\frac{54}{3}=18$$
Step3: Calcular \(z\)
Usando $\frac{QS}{TV}=\frac{RS}{UV}$, donde $QS = 3$, $TV = 9$, $RS = z$, $UV = 21$.
$$\frac{3}{9}=\frac{z}{21}$$
$$9z=3\times21$$
$$9z = 63$$
$$z=\frac{63}{9}=7$$
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$y = 18$, $z = 7$