Answer: 18 cm
Step-by-step explanation:
Perimeter is the sum of all 4 sides of a rectangle.
Let w => width
Let l => length = 2w + 1
P = 110 cm = w + w + 2w+1 + 2w + 1
6w +2 = 110
6w = 108
w = 18
Therefore:
w = 18 cm
l = 36 +1 = 37 cm
Check: 18 + 18 +37 + 37 = 110 cm
