" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x + 2x= 180
3x= 180
x= 180/3
x= 60⁰
sudut x :
x= 60⁰
sudut 2x
2x= 2(60)= 120⁰
sehingga :
sudut 1 + sudut 2 = 180 (jumlah sudut yang saling berpelurus)
2sudut2 + sudut2 = 180
3sudut2 = 180
sudut2 = 180 : 3 = 60
sudut1 = 180 - 60 = 120