एक $\triangle A B C$ के शीर्षबिंदुएँ $A(-3,0), B(5,-2)$ तथा $C(-8,5)$ हैं। इस त्रिभुज का केंद्रक ज्ञात कीजिए।
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एक $\triangle A B C$ के शीर्षबिंदुएँ $A(-3,0), B(5,-2)$ तथा $C(-8,5)$ हैं। इस त्रिभुज का केंद्रक ज्ञात कीजिए।

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Solution : केंद्रक के नियामक $\begin{aligned} &=\left(\frac{x_{1}+x_{2}+x_{3}}{3}, \frac{y_{1}+y_{2}+y_{3}}{3}\right) \\ &=\left(\frac{-3+5-8}{3}, \frac{0-2+5}{3}\right) \\ &=\left(\frac{-6}{3}, \frac{3}{3}\right)=(-2,1) . \end{aligned}$

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