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Wiki User
30 of them
10mm=1cm therefore 90mm=9cm
9cm + 5cm + 9cm + 5cm = 28cm
90 mm
90mm = 9cm
9cm
Perimeter = 6cm + 6cm + 9cm + 9cm = 30cm
90mm is 9cm
0.09 cm
9cm is 3.54 inches.
0.03 decimetres
0.3
it is 81cm