The answer is 22 cm, you just add up all the sides when doing perimeter
R2-4r-77 = (r-11)(r+7)
r has to be greater than 11 in order for the formula to represent the area of a rug since a side length cannot be less than or equal to 0.
Answer:
290m 1148 44 c dXsxcdfvb ehtwefgb fetths