C-07-Q035mediumsingle_mcqIn △ACE\triangle ACE△ACE, CA=CECA = CECA=CE because—a∠AEC=∠EAC\angle AEC = \angle EAC∠AEC=∠EACbAC∥DEAC \parallel DEAC∥DEব্যাখ্যাEqual base angles ∠AEC=∠EAC\angle AEC = \angle EAC∠AEC=∠EAC make △ACE\triangle ACE△ACE isosceles. Hence the sides opposite them, CACACA and CECE, are equal.