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Veseljchak [2.6K]
3 years ago
9

If EF = 5w + 20, FG = 7w + 28, and EG = 72, find the value of w. Find EF and FG

Mathematics
1 answer:
IrinaK [193]3 years ago
7 0

Answer:

 w = 2, EF = 30 , FG = 42

Explanation:

We have EF = 5w + 20  and FG = 7w + 28

 Since these points E, F and G are col-linear points we have.

    EG = EF + FG

  And given that EG = 72

So, EF+EG = 72

     5w + 20 + 7w + 28 = 72

     12w + 48 = 72

      12 w = 24

       w = 2

So EF = 5w + 20 = 5x2 + 20 = 30

     FG = 7w + 28 = 7x2 + 28 = 42

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