Length of sweet tray=45 cm
Width of of sweet tray=36 cm
Factors of 45 : 1,3,5,9,15,45
Factors of 36 :1,2,3,4,6,9,12,36
Common factors : 1,3,9
The maximum possible length of the sweet is HIGHEST COMMON FACTOR and HCF of 36 and 45 is 9.
Therefore, the maximum possible length of each sweet piece is 9cm.
(cm-Centimetres)