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Sagot :

9514 1404 393

Answer:

  B)  40

Step-by-step explanation:

Vertical angle XZU has the same measure as the given angle, 130°. It is equal to the sum of right angle XZV and unknown angle UZV. So, ...

  ∠UZV +90° = 130°

  ∠UZV = 40° . . . . . . . . . subtract 90°