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Question
1st 9 weeks review geometry basic
geometry
no late credit
grade: 3%
complete: 13%
segment addition / subtraction (numbers)
segment addition / subtraction (algebra)
segment addition / subtraction
question points in a plane
name line / line segment / ray
name line / line segment / ray
question
point k is on line segment jl. given kl = 5 and jk = 7, determine the length jl.
answer
attempt 1 out of 2
jl =
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segment addition / subtraction (numbers)
Step1: Recall segment - addition postulate
If a point $K$ lies on a line - segment $\overline{JL}$, then $JL=JK + KL$.
Step2: Substitute given values
We are given that $JK = 7$ and $KL = 5$. Substituting these values into the formula $JL=JK + KL$, we get $JL=7 + 5$.
Step3: Calculate the length of $JL$
$JL=12$.
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$12$