Jawab:
Penjelasan dengan langkah-langkah:
besar sudut CBA =
180 = 100 + CBA
CBA = 80
besar sudut BCA
180 = 80+36+X+20
180 = 136+X
X = 44
jadi BCA 44+20 = 66
BCD = 180-66 = 114
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawab:
Penjelasan dengan langkah-langkah:
besar sudut CBA =
180 = 100 + CBA
CBA = 80
besar sudut BCA
180 = 80+36+X+20
180 = 136+X
X = 44
jadi BCA 44+20 = 66
BCD = 180-66 = 114