Find the distance d(P1,P2) between the points P1 and P2. d(P1,P2) = (Simplify your answer, Type an exact answer, using radicals as needed.

Can someone pls ! pls answer all. no explanation needed..

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.

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?