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The Volume of the Classroom

The Volume of the Classroom. Answer from Bucharest. Description. This is what Marius wrote:

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The Volume of the Classroom

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  1. The Volume of the Classroom Answer from Bucharest

  2. Description This is what Marius wrote: “All the corners of our classroom have right angles, so we can call it a big cuboid (not as big as the French one, as we’ll see later). As we measured it, we noticed that there are several beams: 3 on the ceiling, 3 on the widow wall, 3 on the opposite wall and a narrow one in a corner. The volume of the beams must be subtracted from the volume of the classroom. Fotunately, they all are shaped as cuboids, so we only need to use one formula: the volume is length by width by height.”

  3. 3D model These are the 3D models made by Justinian. He used a tool called Google SketchUp.

  4. 3D model

  5. Dimensions Anca and Cristina were in charge with measuring the classroom. Here are the measurements they have taken: Room: l=8,1m, w=6,32 m, h=2,75 m Beam no. 1 (the small one): l=19 cm, w=14 cm, h=2,75 m Beam no. 2 (the horizontal one ones): w=30 cm, h=15,5 cm, l=the width of the room- 2 times the length of beam no.3 Beam no. 3 (the vertical ones): l=29,5 cm, w=35 cm, h=2,75 m We decided to calculate the volume of the air like this: V=Vclass-(V1+3V2+6V3)

  6. At work

  7. Results After using the formula for each volume, this is what we obtained: Vclass=140,778 m3 V1=0,073 m3 V2=0,261 m3 V3=0,284 m3 V= 140,778-(0,073+3x0,261+6x0,284)=138,218 m3 The weight of the air is 179,683 kg

  8. Thank you and good-bye!

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