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M is between L and N. If LN = 91 and LM = 23, find MN.
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3 votes
M is between L and N. If LN = 91 and LM = 23, find MN.

User Mar Cnu
by
4.9k points

1 Answer

4 votes

Answer:

MN = 68

Explanation:

LN = 91

LM = 23

Points L, M, and N are collinear, therefore, according to the segment addition postulate, the following can be deduced:

LM + MN = LN

23 + MN = 91 (Substitution)

Subtract 23 from both sides

23 + MN - 23 = 91 - 23

MN = 68

User Rakib
by
4.1k points
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