Čtvercová trubka v centru kalkulačka |
A (Exterior Side) : | mm |
B (Interior Side) : | mm |
Inertia : | mm4 |
Modulus : | mm3 |
Radius : | mm |
Area : | mm2 |
Modulus = (a 4 sup> - b 4 sup>) / 6 * a
Poloměr = ((a 2 sup> + b 2 sup>) / 12) 1/2 sup> oblast = a 2 sup> - b 2 sup>
Inertia = (a 4 sup> - b 4 sup>) / 12
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