Question

se r//s//t e X=Y+Z=63 descubra quais são as medidas x, y e z ​

Answer 1

$\frac{12}{42} = \frac{x}{63 }$

42x=12.63

x=755/42

x=18

$\frac{10}{42} = \frac{y}{63}$

42y=10.63

y=630/42

y=15

$\frac{20}{42} = \frac{z}{63}$

42z=20.63

z=1260/42

z=30

x=18

y=15

z=30