Help me, youll get 15 pts

Find the missing dimension extra points

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?

Urgent? will give brainliest to the first correct answer what is the area of the figure?