pake cara yaaa, makasih

<ABO =180-(90+45)=45 derajat
<ADO=180-(90+45)=45 derajat
<CBO=180-(90+30)=60 derajat
<DCO=<BCO 30 derajat
<CDO=180-(90+30)=60 derajat

B. ADO = Segitiga 180' = 180 - 90 - 45 = 45'

A. ABO = ADO = 45'

C. CBO = SEGITIGA 180 ' = 180 -90 - 30 =60'

D. DCO= BCO = 30'

E. CDO = CBO = 60'

Maaf kalo salah