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nydimaria [60]
3 years ago
11

Hi, any help with this question? i'm stuck on it

Mathematics
2 answers:
True [87]3 years ago
8 0
I think it might me 70+150-360?
DIA [1.3K]3 years ago
8 0

a = 70° [because vertically opposite angles are equal.]

c + 150° = 180° [They are linear pair]

=> c = 180° - 150°

=> c = 30°

a+b+c= 180° [Sum of all angles of a triangle=180°]

=> 70° + b + 30° = 180°

=> 100° + b = 180°

=> b = 180° - 100°

=> b = 80°

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I hope this helps. =)

</span>
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