Jika BC//DE,MAKA SUDUT AED
FAE +DAE =180
120 +DAE = 180
DAE = 60
ADE + AED = 180
55+ AED + 60 = 55
AED = 180 – 60 – 55
AED = 65 B
Jika BC//DE,MAKA SUDUT AED
FAE +DAE =180
120 +DAE = 180
DAE = 60
ADE + AED = 180
55+ AED + 60 = 55
AED = 180 – 60 – 55
AED = 65 B