Dunb Angles Flashcards

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1
Q

Angulo de dos rectas. Vectores directores

A

Cos(x)= |d1 •d2 | / |d1||d2|

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2
Q

Angulo dado normales

A

Mismo que directores pero con n…

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3
Q

Angulo conocido los pendientes

A

Tg(a) = |(m2-m1)/(1+m2m1)|

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4
Q

Distancia entre un punto y una recta

A

Sustituir el punto por x e y en la fórmula implícita , dividir por radical A^2, B^2.

|Aa+Bb+C|/ radical (A^2+B^2)

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5
Q

Herón

A

Radical [p(p-a)(p-b)(p-c)]

P=(a+b+c)/2

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