Flowerbed

The flowerbed has a length 3500mm and a width 1400mm. How many foil is needed to covers the flowerbed? How many m2 of foil was consumed for its production (add 10% of the material to the joint and waste)? How many liters of air is inside the enclosure? (Flowerbed height is 1 dm)

Result

S1 =  4.9 m2
S2 =  6.468 m2
V =  490 l

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