Jawabanmu

Jawaban paling cerdas!
2014-01-26T10:55:35+07:00
K =2 (a+b) 
   = 2( 31+44)
   = 2 × 75 = 150 cm
1 5 1
2014-01-26T11:05:20+07:00
2 x ( 31 + 44 ) = 2 x 75 = 150 cm = 15 dm