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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