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Alika [10]
3 years ago
7

9:45 on Tuesday Questions

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

See below

Step-by-step explanation:

<u>Angle 4 is exterior angle of the triangle and as per definition:</u>

  • ∠4 = ∠1 + ∠2

<u>Angle 4 is supplementary with angle 3, they sum up to straight angle of 180°</u>

  • ∠4 = 180° - ∠3
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