Here we have to draw the possible structures of the cis-cycloalkanes, which has the chemical formula
 having a 5-membered ring.
 having a 5-membered ring.
There will be two structures of the given molecule which is shown in the attached file.
The 
 molecules has a 5-membered ring the maximum number of carbon and hydrogen present in a 5-membered ring is
 molecules has a 5-membered ring the maximum number of carbon and hydrogen present in a 5-membered ring is 
 . Which reveals there will be two methyl group i.e. -CH₃. The -cis form of a compound reveals the position of a particular group will be on the same side in three dimension. Thus we have two -cis structures of
. Which reveals there will be two methyl group i.e. -CH₃. The -cis form of a compound reveals the position of a particular group will be on the same side in three dimension. Thus we have two -cis structures of 
 where the two methyl groups are present in the same direction in three dimensions.
 where the two methyl groups are present in the same direction in three dimensions. 
The two cis-structures of the given molecule is shown in the attached image file.