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marysya [2.9K]
3 years ago
14

Given the diagram below, Gitta writes that 1 + 2 + 3 = 180. Which of the following reasons allows her to write this statement

Mathematics
2 answers:
notka56 [123]3 years ago
7 0
A) Triangle sum theory. good luck!!
DaniilM [7]3 years ago
6 0
A. Triangle sum theorem
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