GEOMETRY QUESTION NEED HELP ASAP 50 POINTS PLEASE PUT FULL ANSWER!!!!​ 2 part question find the answer to the one in the picture also find the measure of angle 7 also please

GEOMETRY QUESTION NEED HELP ASAP 50 POINTS PLEASE PUT FULL ANSWER 2 part question find the answer to the one in the picture also find the measure of angle 7 als class=