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The sides of a triangle are 9 , 12 , 15 . Find the area of triangle formed by its centroid , orthocentre $ incentre ?
Dear Mayank
clearly the given traingle is right angel triangle
so its ortho center lie at vertex of angel 90 degree
centroid G = {(0+0+12)/3 , (0+9+0)/3}
= (4,3)
incenter I= { (ax1 + bx2 +cx3)/(a+b+c) , (ay1 +by2 +cy3)/(a+b+c)}
=(3,3)
vertex are knoen now you can easly find the area
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