Math Problem Statement

Duotos trikampio viršūnės A(−4;−5), B(4;1)ir C(−12;7) Raskite kampo A pusiaukampinės lygtį.

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Vector Operations
Line Equation
Angle Bisector

Formulas

Vector from A to B: \(\overrightarrow{AB} = (B_x - A_x, B_y - A_y)\)
Vector from A to C: \(\overrightarrow{AC} = (C_x - A_x, C_y - A_y)\)
Normalizing a vector: \( \hat{v} = \frac{v}{|v|} \)
Equation of a line: \( \frac{x - x_1}{a} = \frac{y - y_1}{b} \)

Theorems

Angle Bisector Theorem
Line Equation Theorem

Suitable Grade Level

Grades 10-12