Mathematics, 22.10.2020 14:01 hawleyemily

In the diagram below of triangle HJKHJK, LL is a midpoint of \overline{HJ} HJ
and MM is a midpoint of \overline{JK}
JK
. If LM=10x-90LM=10x−90, and HK=10x-80HK=10x−80, what is the measure of HKHK?

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In the diagram below of triangle HJKHJK, LL is a midpoint of \overline{HJ} HJ
and MM is a mid...