in each of the following relationships among marked angles are given below the figure. find the measures of the marked angles
a. m(<DOC)=3?4m(<BOA)
b. m(<AOB)is 30 less than 2?m(BOC)
c, m(<AOB)-m(<BOC)=50
a. m(<DOC)=3?4m(<BOA)
b. m(<AOB)is 30 less than 2?m(BOC)
c, m(<AOB)-m(<BOC)=50