C-14-Q036mediumsingle_mcqIf DDD on ABABAB with AD=6AD = 6AD=6, DB=4DB = 4DB=4, and EEE on ACACAC with AE=9AE = 9AE=9, EC=6EC = 6EC=6, then DEDEDE is —aperpendicular to BCBCBCbparallel to BCBCBCchalf of BCBCBCd