2 years ago

Help plz i will mark brilliant

Mathematics

1 answer:

stich3 [128]2 years ago

7 0

Answer:

a=100 b=50 c=30

Step-by-step explanation:

30+50+a= 180, A= 100.

90+40+b=180, B=50

A+B+C= 180

100+50+c=180, C=30

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