" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
360 - 9x =180
- 9x =180 -360
-9 x = -180
x = 20 derajat
jadi nilai x = 20 derajat..... semoga membantu.....
A = 180 - 7x
5x + B = 180
B = 180 - 5x
A + B + 3x = 180 (jumlah sudut segitiga)
180 - 7x + 180 - 5x + 3x = 180
360 - 9x = 180
-9x = -180
x = 20cm