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Alla [95]
3 years ago
9

LOTS OF POINTS, WILL GIVE BRAINLIEST!!!

Mathematics
2 answers:
stepladder [879]3 years ago
4 0
  • ➡30 is correct answer
  • ➡option b is correct

\large\huge\green{\sf{Answer:-}}

<h3>since we know on straight line 180° is formed</h3><h3>then </h3>

➡90° +(x+x+x)= 180°

➡90° + 3x = 180°

➡3x= 180°-90°

➡3x= 90°

➡x = 90°/3= 30°

<h2>➡x= 30°</h2>

<h3>then in triangle sum of all angles = 180°</h3>

➡90°+x+y = 180°

➡90°+ 30° +y = 180°

➡120+y = 180°

➡y= 180°-120°

<h3>y = 60</h3>

  • now to find y-x = 60°-30°=30

➡30 is correct answer

➡option b is correct

irga5000 [103]3 years ago
3 0

Answer:

D

Step-by-step explanation:

I did the test

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