Maria’s teacher wrote on the board the statement ( as shown^) on the board. she asked him to write a proportion that must be true. Mario wrote (as shown^). do you agree with Mario’s proportion? Justify your answer.

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !