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`triangle` ABC के शीर्षो के निदेशांक `A(8,-1),B(4,5)` और C(-3,-4) है! शीर्ष A से होकर जाने वाली माध्यिका का समीकरण ज्ञात कीजिए!

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BC के मध्य बिंदु D के निर्देशांक `=((4-3)/(2),(5-4)/(2))=((1)/(2),(1)/(2))`
माध्यिका का समीकरण है, `y+1=((1)/(2)+1)/((1)/(2)-8)(x-8)`
`y+1=((3)/(2))/(-(15)/(2))(x-8)`
`y+1=-(1)/(5)(x-8)`
`5y+5=-x+8`
अंत: `x+5y=3`.
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