Question

Помогите найти x и y​

Answer 1

$y^2 = 10^2-6^2=100-36=64=>y=8.$

ΔFEA~ΔCBA по острому углу A. => $AF/AC=k=2/3$.

$EF/BC=2/3=>BC=3EF/2=3*6/2=9$.

$BC=9 => x = 9.$

$Answer: x = 9; y = 8.$