Math, asked by christonmendonca123, 1 year ago

the vertices of a triangle are (1,k) (4,-3) (-9,7) it's area is 15. find k and altitude to AB

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Answered by tarunkumarjangid05

1

formulae of area of triangle is 1/2 (x1 (y2-y3) +x2 (y3-y1) +x3 (y1-y2)

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