Question

Nas figuras abaixo sendo a//b//c//d, Determinar x e y:​

Answer 1

1)

5/x = 8/10 = y/7

5/x =8/10

8x=50

x=50/8

x=25/4

x=6,25

8/10 = y/7

10y= 64

y= 56/10

y=5,6

2)

7/5 = x/4 = 4/y

7/5 = x/4

5x=28

x= 28/5

x=5,6

7/5 = 4/y

7y= 20

y= 20/7

y≈2,85