The area of the octagon below is 10,391.9 square millimeters. An octagon has an apothem of 56 millimeters and an area of 10,391.90 square millimeters. What is the approximate perimeter of the octagon? Round to the nearest whole number. mm What is the approximate length of one side of the octagon? Round to the nearest whole number. mm

371 & 46

Step-by-step explanation:

371 mm and 46 mm

Step-by-step explanation: I got it right on edge

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

9x