PLEASE HELP ME!!!!!!! I GAVE IT 20 POINTS. (MORE THAN I NORMALLY GIVE)
At a local theater the trap door has an area of 84 square feet, and has a whole number length and side measure. A concert grand piano needed for a performance has a length of 8 feet, 10 inches and a width of 5 feet, 2 inches.The piano fits through the trap door. What is the length and width of the trap door? What is the perimeter of the trap door? Please explain how you did it.
