" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x = 180
x = 36
sdt A = 2(36)= 72
Maka :
A + B= 180°
2x + 3x= 180°
5x= 180°
x= 180/5
x= 36
Besar sudut A adalah :
A= 2x
= 2(36)
= 72
Jadi, besar sudut A adalah 72°.