Measure the length and breadth of one face of the rectangle.
Measure the thickness of the rectangle hollow piece.
Multiply the length, breadth and thickness and this will give you the volume of the rectangular hollow piece in terms of cubic units.
That is, if you measured the length, breadth and height in centimeters, the volume will be in cubic centimeters.
Example:
If the length of the piece is 10 cm, the breadth of the piece is 6 cm, and the thickness of the piece is 5 cm, the volume of the rectangular hollow piece is given by:
10 cm X 6 cm X 5 cm = 300 cubic cm or cm3
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Using those exact quantities, we can calculate that the mass is precisely 10 grams.
Fctv
You times the length by the width by the height to find volume. To find the density do mass divided by volume.
To make a rectangle using a 6-piece tangram, you need to arrange the pieces in a specific way. First, place two large triangles together to form a square. Then, position the two small triangles on top of the square to create a larger square. Finally, fit the two parallelograms on the sides to complete the rectangle shape. This arrangement utilizes all six pieces of the tangram to form a rectangle.
The density of silver is 10490 kg/m3. You need to have a piece of silver for it to have a mass or volume.