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3 years ago

Point M is on line segment LN . given LM = 5 and LN = 12, determine the lenght MN

Mathematics

1 answer:

katen-ka-za [31]3 years ago

5 0

<h3>Answer: MN = 7</h3>

Explanation:

LM + MN = LN by the segment addition postulate. This says we can break up a segment into smaller pieces, and have those pieces add back up to the original length.

Plug LM = 5 and LN = 12 into the equation and isolate MN to get

LM + MN = LN

5 + MN = 12

MN = 12-5

MN = 7

See the diagram below.

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