HELP IS NEEDED PLS AND THANK YOU

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Which of the following circles have their centers in the third quadrant? check all that apply.

50 points~ ! i have to turn this in tomarrow