Answer:
well 4+5=180°, 1+3=180°, that's 360, so I guess can't be determined since there's still another angle???
Explanation:
idk, the answer choices could be wrong or im just wrong
Cannot be determined
You get that angles 4 + 5 and 2 + 1 are equal to 180 each. We still have angle 3 left over, and that angle could be anything, so it cannot be determined
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