HELPPPPP PLEASE HURRY WILL MARK BRAINLIEST!!!!!! The top question is the area of the following rectangle is 54m squared what is the length of the rectangle if the length is 9m HELP

Answer:
so you have to do is 6 times 6 then times 10 to get the area of one side of the shape then do 8 times 20 to get the other side of the shape the add your two answers together