Geometric Formulas for Chapter 11
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20 terms
English | Math / Symbols |
|---|---|
 Euler's Formula | F+V=E+2 |
| lateral area of prism | LA=ph (p= 2(l+w)) |
| surface area of prism | SA: LA + 2B |
| lateral area cylinder | LA: 2πrh |
| surface area cylinder | SA: 2πrh+2πr² |
| lateral area of regular pyramid | LA: 1/2 pl ( slant height) |
| surface area pyramid | SA: LA + B |
| lateral area of cone | LA: πrl |
| surface area of cone | SA: πrl+πr² |
| cavalieri's principle | when you slice the figure into thin slices, no matter how you stack the pieces up, the volumes of the similar solids are the same |
| volume of prism | V= Bh |
| volume cylinder | V=πr²h |
| volume of pyramid | V=1/3Bh (B area of base) |
| volume of cone | V= 1/3πr²h |
| surface area of sphere | SA: 4πr² |
| volume of sphere | V=4/3πr³ |
| length sides similarity | a:b |
| area similarity | a²:b² |
| volume similarity | a³:b³ |
| oblique | not straight, but in an inclined ramp or curve |
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