SOLUTION: use the distance formula to decide whether jk=kl j(3,-5) k(-1,-2) l(-5,-5)

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Question 208586This question is from textbook geometry
: use the distance formula to decide whether jk=kl
j(3,-5)
k(-1,-2)
l(-5,-5) This question is from textbook geometry

Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
Remember distance formula ,,,d=sqrt{x2-x1)^2 + (y2-y1)^2}
.
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jk = sqrt{ (3-(-1))^2 + ((-5)-(-2))^2} = sqrt{16 + 9}=sqrt25=5
.
kl = sqrt{( (-1)-(-5))^2 + ( (-2)-(-5))^2} = sqrt{16 + 9} = sqrt25 = 5
.
Therefore jk=kl=5
.