How many square meters does my room have, 490 long and 380 wide

How many square meters is a room 5 meters long, 4 meters wide and 4 meters high

A room is 5 meters long, 4 meters wide and 4 meters high, which is (20) square meters
5 × 4 = 20 square meters
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How to convert unit l into volume

L = liter, 1L = 1000ml = 1dm & # 179; = 1000cm & # 179; = 0.001M & # 179;

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