Can you use a proportion to solve for a missing side length when given two similar triangles?

yes you can.

Step-by-step explanation:

to answer the question asked you can solve a proportion when given two triangles, but in this one I feel somethings missing like its possibly a multiple choice.

I tried every way I could think of and got this 6.5 for the bottom A-B

and for x  about 4.153311-

false

step-by-step explanation:

rulers and compasses arent required in order to bisect an angle because when bisecting angles, you're making a "half circle" and considering in order to bisect an angle it wouldn't be straight, you wouldn't need either of the two