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Earn +20 ptsQ: How long is 20 cm?
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What is the distance around the handkerchief with 25 cm long and 20 cm wide?
Perimeter = 25+20+25+20 = 90 cm
How many ml's will a aquarium hold if it is 40 cm long and 20 cm wide and 30 cm high?
90
How long is a 2 cm?
It is 0.02 metres or 20 millimetres.
If the volume of a box which is 20 cm wide 15 cm high and 78 cm long?
Multiply 20 x 15 x 78 = 23400 cubic cm = 1428 cubic inches
What is the volumn of a brick that is 20 cm long 10 cm wide and 3 cm high?
volume = length x width x height = 20 x 10 x3 = 600 cubic cm
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