3 years ago

Please help. How do I figure out the answer to this problem?

Mathematics

1 answer:

ASHA 777 [7]3 years ago

4 0

Answer:

51,129

Step-by-step explanation:

x+x+78=180(supplementary angles are 180)

2x+78=180

2x= 102

x= 51

x+78 = 129

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