Answer and Explanation
Your Answer is
Correct Answer is K
Explanation
The side length of the fifth square is 5*18=90(inches)=7.5(feet), so the perimeter is 4*7.5=30feet
54. The first 4 elements of a pattern are shown below. Each element is composed of small squares that are 18 inches wide and 18 inches long. Each element is a square with both dimensions 18 inches less than the dimensions of the next element. What is the perimeter, in feet, of the 5th element?
