Answer:
the answer is 120m 2 that your answer.
Non of these is the 2nd diagram.
Corresponding angles are 3rd and 5th diagram.
Alternate internal angles are 4th diagram.
Alternate exterior 1st diagram
20students : 5 boxes
Divided by 5
4students : 1 boxes
28students : x boxes
28/4 = 7
28students : 7 boxes