30 cm makes a foot
10'6" = 320.04 cm
78.74 cm
It is approx 162.6 cm.
1 meter is 100 cm
30cm are in a feet
Unfortunately, the question makes no sense.
2.54cm per inch.
19.5 cm / 2.54 cm/inch = 7.68 inches
22.86cm = 9 inches.
1 decimeter is 10 centimeters.
This makes no sense, they are not the same type of units.