The perimeter is 3 times the length of each side:
p = 3s
If the perimeter is at most 45 cm, then
p ≤ 45 cm
3s ≤ 45 cm
45 cm
s ≤ —————
3
s ≤ 15 cm
So each side is at most 15 cm.
I hope this helps. =)
Hi I am jazmin...that's what she said :)
X/9 - 15
X divided ( / ) by 9 minus ( - ) 9
It has to be true because you would need to divide