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navik [9.2K]
2 years ago
6

Please help I don't understand!

Mathematics
2 answers:
Gelneren [198K]2 years ago
8 0
The answer is 25 trust me .
Diano4ka-milaya [45]2 years ago
7 0

Answer:

25

Step-by-step explanation:

As the triangles within the bigger triangle are similar, the sides are in proportion.

⇒ \frac{18}{30} = \frac{15}{w}

⇒ \frac{3}{5} = \frac{15}{w}

⇒ 3w = 75

⇒ w = 25

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