PQ¯¯¯¯¯¯¯¯≅RQ¯¯¯¯¯¯¯¯, SQ¯¯¯¯¯¯¯ bisects ∠PQR Use deductive reasoning to show that ∠P≅∠R

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Acircle has a circumference of 28.36 units what is the diameter of the circle

Ineed to know the answer to this algebra question.