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Tpy6a [65]
3 years ago
14

Please help, I'm in a test! Question is in the image attached! if you think you could help me out more, let me know and I'll pos

t more questions like this! ​

Mathematics
2 answers:
lina2011 [118]3 years ago
5 0

Answer:

180%

Step-by-step explanation:

took the test got it right on the test

Gre4nikov [31]3 years ago
3 0

Answer:

180° (in place of blank)

Step-by-step explanation:

<u><em>GIVEN</em></u><em> :-</em>

  • ∠D = 127°
  • ∠A = 75°

<u><em>PROCEDURE</em></u><em> :-</em>

∠C & ∠D are linear pair. (∵ They lie on same line)

⇒ ∠C + ∠D = 180°

⇒ ∠C = 180° - 127°

In a triangle , sum of its all interior angles equals to 180° (which is also known as "Angle Sum Property). So,

∠A + ∠B + ∠C = 180°

⇒ 75° + ∠B + (180° - 127°) = 180°

⇒ ∠B = 180° - 75° - (<u>180°</u> - 127°)

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