Afstandsformler i plangeometri.
Afstand mellem 2 punkter
Denne formel, kan benyttes til at finde den korteste afstand mellem to punker i plangeometri (2D)
\[|{AB}|=\sqrt{{(x_{\it 2}-x_{\it 1})^2}+{(y_{\it 2}-y_{\it 1})^2}}\]
Afstand mellem punkt til linje
Denne formel, kan benyttes til at finde den korteste afstand mellem et punkt en linje.
\[dist(P,m)=\frac{|a \cdot x_{1} + b – y_{1}| }{ \sqrt{a^{2}+1}}\]
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