Question

Determine o valor se x na figura.

Answer 1

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Teorema de Tales

$\frac{x-3}{x-2} = \frac{x}{x+2} \\ \\ (x-3)(x+2)=x(x-2) \\ x^2+2x-3x-6=x^2-2x \\ \\ \not x^2-\not x^2+2x-3x+2x=6 \\ \\ 4x-3x=6 \\ \\ x=6$