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(#M40018494) SELF question urgent Keep an EYE

p is a pt inside triangle abc at distance 8,6,12 from a,b,c find perimeter of triangle??

naina (11 years ago)

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Jasmine Khan  (11 years ago)

You know that the centroid is two thirds of the distance from each vertex to the
midpoint of the opposite side.
8=AP=2/3AD => AD=12
6=BP=2/3BF => BF=9
12=CA=2/3CE => CE=18
by using these values we find
AB=4(root7) AC=2(root55) BC=12(root3)
perimeter=4(root7)+2(root55)+12(root3)

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k.selva kumari  (11 years ago)

8=AP=2/3AD => AD=12
6=BP=2/3BF => BF=9
12=CA=2/3CE => CE=18
by using these values we find
AB=4(root7) AC=2(root55) BC=12(root3)
perimeter=4(root7)+2(root55)+12(root3)

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