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lina2011 [118]
3 years ago
15

(The choices for the first one is 90 or 180)

Mathematics
2 answers:
kakasveta [241]3 years ago
5 0
1. 180
2. 1 & 4
3. 1
the answer to the question
sammy [17]3 years ago
4 0

The first one is 180 because the angles of a triangle add up to 180

angles 1 and 4

And finally, the last one is 1

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