In the figure, △EFA is a right-angled triangle with ∠EFA=90∘ and △FGB is an equilateral triangle, find y–2x.

In the figure, △EFA is a right-angled triangle with ∠EFA=90∘ and

1.	In the figure, △EFA is a right-angled triangle with ∠EFA=90∘ and △FGB is an equilateral triangle, find y–2x.
Answer» In the figure, $△ E F A$ is a right-angled triangle with $∠ E F A = 90^{\circ}$ and $△ F G B$ is an equilateral triangle, find $y - 2 x$ .