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skelet666 [1.2K]
3 years ago
14

Can someone help me with these problems I don't get it very well​

Mathematics
2 answers:
GREYUIT [131]3 years ago
4 0

this is my answer but you need to check with your teacher

gregori [183]3 years ago
4 0

Answer:

<h3>25 & 26</h3>
  • <em>Complementary angles sum to 90°</em>

<u>Angle:</u>

  • 90° - 47° = 43°

<u>Find x</u>

  • 2x -3 = 43
  • 2x = 46
  • x = 23
<h3>27 & 28</h3>
  • <em>Vertical angles are congruent</em>

<u>Angle</u>

  • 82°

<u>Find y</u>

  • 5y + 12 = 82
  • 5y = 70
  • y = 14
<h3>29 & 30</h3>
  • <em>Adjacent angles forming a straight line are supplementary and sum to 180°</em>

<u>Angle:</u>

  • 180° - 115° = 65°

<u>Find n:</u>

  • 4n - 5 = 65
  • 4n = 70
  • n = 17.5
<h3>31 & 32</h3>

<u>Angle addition postulate</u>

  • ∠XYZ = ∠XYW + ∠WYZ

<u>Angle</u>

  • m∠XYW = 110° - 72° = 38°

<u>Find x:</u>

  • 3x + 2 = 38
  • 3x = 36
  • x = 12
<h3>33 & 34</h3>
  • <em>Complementary and vertical angles (mentioned above)</em>

<u>Angle</u>

  • 90° - 35° = 55°

<u>Find n:</u>

  • 5n = 55
  • n = 11
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