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31.12.2020 •
Mathematics
a room is 8m long, 5m board and 4m high how many pieces of carpet each of 2.5 Long and 2m wide are required to carenting the floor
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Ответ:
You ignore the 4m tall of the room because the floor area is what you want. Formula for area is then length times width. 8x5=40m^2. For 1 carpet it's 2.5x2=5m^2. So 1 carpet is 5 metre squared area, your room is 40 metre squared area. So how many carpets do you need for 1 room?
Ответ:
AB=((-3-3)/2;((-4-4)/2)=(-3;-4)