Question

perimeter of square X is 20cm and square Y is 36cm . what is the difference in the length of sides of square.​

Answer 1

Answer:

$|x - y| = 4$

Step-by-step explanation:

$4x = 20 \\ \\ x = 5\ \\ \\ 4y = 36 \\ \\ y = 9 \\ \\ |x - y| = 9 - 5 = 4 \\ \\ |x - y| = 4$