" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4. sdt CBA = 180 - 120 = 60
sdt CBA= sdt BCA = 60
sdt BAC = 180 - 60 - 60 = 60
5. A2 dan B3 jika ditambah = 180
(3x+45) + (5x+23) = 180
8x+68= 180
8x = 180 -68
8x= 112
x= 14
a2 = (3.14+45) = 87
b3 = (5.14+23) = 93
b1 = b3 = 93