What is the length of MN if LN =42

LM = 3x, MN=2x+2, LN = 42
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1 Answer

Assuming a straight line LN with M somewhere in between:

LM+MN=LN, so 3x+2x+2=42.

Therefore, 5x+2=42, 5x=40, making x=8.

LM=3x=24, MN=2x+2=16+2=18.

by Top Rated User (1.2m points)

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