" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
( 38 -x ) + ( 22 - 3x ) = 180
60 - 4x = 180
- 4x = 180 - 60
- 4x = 120
x = - 30
sudut A = 38 + 30 = 68
sudut penyiku A = 90 - 68 = 22
38 - x + 22 - 3x = 180 Besar sudut A = 38 - x
38 + 22 - x - 3x = 180 = 38 - (-30) = 38 + 30 = 68
60 - 4x =180 Penyiku sudut A = 90 - 68 = 22
-4x = 180 - 60
-4x = 120
x = - 30