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sergeinik [125]
3 years ago
14

LMNO is a parallelogram. Determine the length of side LM

Mathematics
1 answer:
kherson [118]3 years ago
8 0

Answer:

  LM = 23

Step-by-step explanation:

Opposite sides of a parallelogram are the same length, so you can use sides LO and MN to find the value of x:

  21 = 4x -7

  28 = 4x

  7 = x

Then use that value in the expression for the side length NO:

  NO = 3x +2 = 3·7 +2 = 23

Since LM is the same length as NO, LM = 23.

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