A straight boardwalk is being built over a circular wetlands area, so that it divides the area in half. A hiking path goes around the outside. The boardwalk is 50 m long. How long is the path that goes around the outside?

Plz hurry evaluate the expression a+b where a=8 and b=19

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

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.