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allsm [11]
3 years ago
11

Hello Everyone! Please help me out anything you know helps. The topic is angles.

Mathematics
1 answer:
serg [7]3 years ago
7 0

Answer: y=28 degrees

Step-by-step explanation:

  1. To find angle B, all we have to do is subtract 145 from 180 since they're supplementary angles- so angle B is 35 degrees
  2. Now we can find x, by subtracting 14 from 35-> x=21
  3. We can create an equation using what we know about B to find y: 35= 63-y
  4. Solve the equation to get y=28 degrees

In this problem we used supplementary angles and algebra. We also used congruency.

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