Question

plz plz solve this question plz plz

Answer 1

Answer is 4m. Might help you.

Answer 2

here , we have to use HCF so,

16=2*2*2*2

28=2*2*7

36=2*2*3*3

HCF=2*2

      = 4

∵ the greatest possible length is 4 m ..............................

HOPE MY ANSWER HELPS YOU ..............