Perimeter is the lengths of the edges added up. And if the shape is a rectangle, there are 4 edges so we divide by 4. 44/4=11. each of the four sides are 11 feet long.
width=11
length=11
area=width*length=121
10 y plus 9 y minus 6 y plus 6 y=> 10y + 9y - 6y + 6y= 10y + 9y - 0 = 19y
Answer:
40 is the LCM of 10,8 and 4