Which of the following ecpression is equivalent

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Which function has the domain x> -11?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units