I need help with these two questions. C and E

I need help with these two questions. C and E class=

Verified Answer :

29= 18
2
29= 218= 36sq cm
-----------------------------------------
23=6
6
23=66= 36 sq cm

C: 2x2=4 and bring down the 9 and then 4x9=36

E: 6x2=12 and bring down the 3 and then 12x3= 36