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LiRa [457]
3 years ago
7

Find mZ3 if mZ5 = 145º and mZ4 = 45°

Mathematics
1 answer:
trapecia [35]3 years ago
7 0

9514 1404 393

Answer:

  C.  100°

Step-by-step explanation:

The exterior angle is equal to the sum of the remote interior angles.

  ∠5 = ∠3 +∠4

  145° = ∠3 +45° . . . . fill in the given values

  100° = ∠3 . . . . . . subtract 45° from both sides

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