How can two different rectangles both have a perimeter of 24 cm​

Explanation:

Perimeter is simply the sum of all the edges. The same way 10 can be made of 4+6 or 3+7, the perimeter can be made by many combinations. if you know the 2 must equal 24cm, then we can create numerous combinations.

X+10=5 for the first one and X+3=4 for the second

Step-by-step explanation:

For the first one -5+10=5 so you just substitute the -5 for X. For the second one 1+3=4 so like the one before you just substitute the 1 for X.