SOLUTION: The points of k(2,1) and l(-6,m) are given. If kl =10cms.Find the possible value of m

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Question 435820: The points of k(2,1) and l(-6,m) are given. If kl =10cms.Find the possible value of m
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
D = sqrt+%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29%29
k(2,1) and
l(-6,m) D = sqrt+%28%288%29%5E2%2B%281-y%5B2%5D%29%5E2%29+=+10+%29
D = sqrt+%28%288%29%5E2%2B%286%29%5E2%29+=+10+%29
(1 - m) = 6
-5 = m