A 30 cm object might be a remote.
It's a phone not a cupcake a laptop or a remote
Ruler
laptop
Cupcake
30 feet = 914.4 cm
about a foot
A small measures 15 cm .It is 15 cm long . It means 2 small ruler will be equal to 30 cm and 5 cm of 3rd ruler . It is 35 cm long .
a jumbo candle stick from target.
30 cm = 11.8 inches, approx.
45 cm.
If an object at is 2.5 cm long is placed on the axis of a concave mirror that is 30 cm radius of curvature at a distance of 10 cm away from it, the position size and nature of the image formed would be 20 cm. This is a math problem.
The same object that is 11.5 cm long
30 feet = 914.4 cm
30 what cm's? 30 cm is 300 mm
30 cm
Nothing
about a foot
a computer moniter
30/10 = 3.0 grams per cc
It is: 30*15*12 = 5400 cubic cm
30 cm exactly and 8 cm up