10 mm berapa cm1. 15 cm berapa mm; 2. 20 cm berapa mm; Jawab: 1. 15 cm = 10 x 15 mm = 150 mm; 2. 20 cm = 10 x 20 mm = 200 mm ; 1 Cm Berapa mm. Kemudian besar 1 cm berapa1 Milimeter = 0.1 Sentimeter, 10 Milimeter = 1 Sentimeter, 2500 Milimeter = 250 Sentimeter. 2 Milimeter = 0.2 Sentimeter, 20 Milimeter = 2 Sentimeter