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siniylev [52]
3 years ago
15

Triangle ABC is shown in the diagram below. Show two different ways that you can determine the measure of ABC

Mathematics
1 answer:
iragen [17]3 years ago
6 0

Step-by-step explanation:

vertical angles or line pairs

c=60

180-120=60

180-131=49

60+49=109

180-109=71

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