The given diagram can be used to prove the Pythagorean theorem. Which expression represents the total area of the four triangles? A) a2 B) 2ab C) a + b + c D) 1 2 ab

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠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.