From this given statement, select the definition, property, postulate, or theorem that justifies the proven statement. given: rhombus rstu prove: rt su

a. the diagonals of a rhombus bisect each other.
b. definition of a rhombus
c. definition of perpendicular lines
d. the medians of a rhombus are perpendicular to each other.
e. the diagonals of a rhombus are perpendicular to each other.