" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x + 5x = 180
9x = 180
x = 20
sudut tersebut = 4x
= 4(20)
= 80
4 : 5
4y : 5y
sudut + pelurus = 180
4y + 5y = 180
9y = 180
y = 180 : 9
y = 20
sudut itu = 4y = 4 x 20 = 80 derajat
pelurus = 5y = 5 x 20 = 100 derajat