There are 10 millimetres in one centimetre. Therefore, 10 centimetres is equal to 10 x 10 = 100 millimetres. Subtracting 55 millimetres from this gives 100 - 55 = 55 millimetres.
55/10 = 5.5
This is equal to 5.5 centimetres.
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10cm is a length. You can only find perimeter (length all the way round) if there is a shape!
102cm. The length of each side is 10cm. To find the area of a square 10cm by 10cm you multply 10x10 which = 100 (sq cm)
The perimeter of a rectangle is calculated by adding together the lengths of all its sides. In this case, the rectangle has two sides of length 10cm and two sides of length 3cm. Therefore, the perimeter is calculated as 10cm + 10cm + 3cm + 3cm = 26cm.
the average lenght of a pen can be about 10cm
40cm2