Quantum redactiones paginae "Triangulum" differant
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→Triangulum rectum: correctiones |
m →Area |
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Linea 8:
== Area ==
Area A trianguli datur
::: <math>A={1\over2}\, c\, h</math>
ubi, si ''c'' est longitudo basi{{dubsig}} trianguli in figura supra, ''h'' est altitudo puncti C data a formula
::: <math>h = b\, \sin\alpha</math>
Equivalenter, possumus scribere
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