Question

a figure bo is perpendicular to oA find oAD​

Answer 1

Answer:

BOC+COA=180

49+COA=180

COA=180-49

COA=131

COA+AOD=180

139+AOD=180

AOD=180-131

AOD=49

Answer 2

Answer:

$angle \: aoc = 90 - 49 = 41 \\ 180 - 41 = angle \: aod = 139$