It provides various useful calculations for conversion of various shapes and also International paper sizes for the purpose of documentation.
It provides various useful calculations for conversion of various shapes and also International paper sizes for the purpose of documentation.
Some Useful Calculations
| Area | Volume | ||
|---|---|---|---|
| Circle |  |
Cone | radius2* height * 1/3 |
| Hexagon | 2.598 * S2 | Cube | S3 |
| Octagon | 4.828 * S2 | Cylinder |  |
| Rectangle | base * height | Pyramid | base area * height * 1/3 |
| Square | S2 | Rectangular | Length * width * height |
| Triangle | base height * 1/2 | Sphere Circumference |
 |
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Types of Plackets in garment making
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N.B 
S = a side
International Paper Sizes
Some of the standard paper sizes used internationally are as follows:
| A series | B Series | C Series |
|---|---|---|
| A0 1189 * 841 mm | B0 1414 * 1000 mm | C0 1297 * 917 mm |
| A1 841 * 595 mm | B1 1000 * 707 mm | C1 917 * 648 mm |
| A2 594 * 420 mm | B2 707 * 500 mm | C2 648 * 458 mm |
| A3 420 * 297 mm | B3 500 * 353 mm | C3 458 * 324 mm |
| A4 297 * 210 mm | B4 353 * 250 mm | C4 324 * 229 mm |
| A5 210 * 148 mm | B5 250 * 176 mm | C5 229 * 162 mm |
| A6 148 * 105 mm | B6 176 * 125 mm | C6 163 * 114 mm |
| A7 105 * 74 mm | B7 125 * 88 mm | C7 114 * 81 mm |
| A8 74 * 52 mm | B8 88 * 62 mm | C8 81 * 57 mm |