In today's terms it is: IV-XXIX-IX
But the Romans themselves would have probably wrote out these numbers as: IIII-XXVIIII-VIIII. Evidence of this can be found in the ruins of the Coliseum in Rome.
In today's modern conversion it is written as: IX-XXIX-MMV
In Roman numerals 08 would be VIII, 29 would be XXIX and 09 would be IX. If you are asking about a date... 08-29-2009 that would be VIII.XXIX.MMIX
XXIX-IX-MDCCCCLXXXIX
XXIX-IX-MMXII
Under today's rules we write out the equivalent of 29 into Roman numerals as XXIX But under the Roman rules 29 was XXVIIII *By roman rules I assume you mean Roman Numerals. Romans wrote out 29 as XXIX, the same way they work today.
29 = XXIX in roman numerals
The Roman numerals for 8 29 1993 are VIII XXIX MCMXCIII.
XXIX is the number 29 in Roman numerals. XXIX (29).
XXIX V MMXIII
XXIX.XII.MCMXCVII XIV.IX.MMXI
29 = XXIX (XX= 20, IX = 9)
4 in Roman numerals is IV, 29 is XXIX, and 81 is LXXXI.