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The centroid of a triangle formed by the points (3,-5)' , (-7,4), (10,-k) is at the point (k,-1) then k....

Posted by Gurleen Kaur 6 years, 2 months ago

CBSE > Class 10 > Mathematics

4 answers

Astha Chaudhari 6 years, 2 months ago

k=2

0Thank You

Yogita Ingle 6 years, 2 months ago

centeroid of a triangle is x=( x1+x2+x3÷3); y= (y1+y2+y3÷3)

so here [-5+4+(-k)]÷3 = k-1

-1-k = 3(k-1)

-1-k = 3k -3

-1 + 3 = 3k+k

2=4k

k= 1/4 = 1/2

0Thank You

Zeeshan Jameel 6 years, 2 months ago

K=2

0Thank You

Dhruv Varshney 6 years, 2 months ago

(K-3)

0Thank You

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