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Please help I would like step by step explanation so I can try to figure out how to do this so I can get a good grade when I take my test!

Please help I would like step by step explanation so I can try to figure out how to do this so I can get a good grade when I take my test class=

Respuesta :

MathPhys

Answer:

4

Step-by-step explanation:

According to the Triangle Midsegment Theorem, a line segment connecting the midpoints of two sides of a triangle will be half the length of the triangle's third side.

NO = ½ JK

15 = ½ (3x + 18)

30 = 3x + 18

12 = 3x

x = 4

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