Student Notes

Now to solve for x and y, you use this proportion and the sides that correspond to x and y on the other triangle. Sides from ∆ABC are on the top and sides from ∆DEF are on the bottom when you set up your proportion. To solve for x: = Cross multiply to solve for x. x = 10. So, = 10. To solve for y: = Cross multiply to solve for y. ................
................