Angle Bisector Equation in Triangle

1925SpecialistCoordinate GeometryTriangles

AIME · 1990 · Problem 7

A triangle has vertices $P_{}^{}=(-8,5)$, $Q_{}^{}=(-15,-19)$, and $R_{}^{}=(1,-7)$. The equation of the bisector of $\angle P$ can be written in the form $ax+2y+c=0_{}^{}$. Find $a+c_{}^{}$.

0 students attempted0% solvedRating 1925

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Angle Bisector Equation in Triangle

1925SpecialistCoordinate GeometryTriangles

AIME · 1990 · Problem 7

A triangle has vertices $P_{}^{}=(-8,5)$, $Q_{}^{}=(-15,-19)$, and $R_{}^{}=(1,-7)$. The equation of the bisector of $\angle P$ can be written in the form $ax+2y+c=0_{}^{}$. Find $a+c_{}^{}$.

0 students attempted0% solvedRating 1925