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By unit of length and distance and conversion ,we can say that 1 dm=10 cm 30 cm =3 dm
By unit of length and mass and conversion ,we can say that 1 dm=10 cm
1 dm = 1 cm so 150 dm = 10*150 cm = 1500 cm.
By unit of length and distance and conversion ,we can say that 1 dm=10 cm 6 cm=0.6 dm
To find the area of a rectangle, you multiply its length by its width. For a rectangle that is 18 dm long and 15 dm wide, the area is calculated as follows: Area = length × width = 18 dm × 15 dm = 270 square decimeters. Therefore, the area is 270 dm².