tentukan nilai ruas x dan y

AD= 6 cm
DB= 4 cm
AB= 10 cm
BC= 10 cm
EC= 2 cm

[tex] \frac{ad}{ab} = \frac{de}{bc} \\ \frac{6}{10} = \frac{y}{10} \\ y = 6[/tex]
y= 6 cm

[tex] \frac{ae}{ac} = \frac{de}{bc} \\ \frac{x}{x + 2} = \frac{6}{10} \\ 10x = 6x + 12 \\ 4x = 12 \\ x = 3[/tex]
x= 3 cm