Answer:
I do not know the answer i just wanna try because I know how you feel, people take forever to find the unasked questions:(:.
Step-by-step explanation:
I think you have to multiply 4.2 by 2, then do the same to the long sides. Once you have that answer divide or multiply by 84
Sorry if this did not help i am only in 8th grade so I tried, good luck on your assignment.
