Fill in the blanks given: rectangle abcd prove: ac¯¯¯¯¯≅bd¯¯¯¯¯ a rectangle a b c d. side a b and side c d are parallel. side a d and b c are parallel. diagonal b d and a c intersect each other at a point labeled as x. statement reason rectangle abcd given opposite sides of a rectangle are congruent. dc¯¯¯¯¯≅dc¯¯¯¯¯ ∠adc and ∠bcd are right angles. all right angles are congruent. △adc≅△bcd sas congruence postulate cpctc ad¯¯¯¯¯≅bc¯¯¯¯¯ab¯¯¯¯¯≅dc¯¯¯¯¯ac¯¯¯ ¯¯≅bd¯¯¯¯¯∠adc≅∠bcd∠acd≅∠bdcdefinit ion of perpendicular linestransitive property of congruencereflexive property of congruencedefinition of rectangle