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Mathematics, 21.06.2019 23:00, princessroseee769
40 points. given: two congruent angles β c and β r are supplementary. prove: β r and β c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.
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