First off both triangles form a 90° angle there both congruent. you can tell they form a 90° angle because of square box
Answer:
I need this answer too !!!
X/4-9=5
x/4=14
x=14/4
x=7/2
x=3.5
SAS because you have 2 known side lengths and one angle!
Dimensional analysis, is there a specific amount you would like to convert to
