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Mathematics 12 Online
OpenStudy (anonymous):

MN and KL are parallel. If JM = 7, MK = 21, and LN = 24, what is NJ? A. 8 B. 3 C. 10 D. 16

OpenStudy (anonymous):

Directrix (directrix):

Theorem: If a line is parallel to one side of a triangle and intersects the other two sides, then it divided those sides proportionately.

Directrix (directrix):

That means that this proportion is true; JM / MK = JN /Nl Filling in the values: 7 / 21 = NJ / 24

Directrix (directrix):

Solve this for x: 7/21 = x / 24 where x = JN @jadesterxx

Directrix (directrix):

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