2 years ago

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

Mathematics

1 answer:

Tasya [4]2 years ago

8 0

Answer:

MN = 68

Step-by-step 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

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