Question

Caranya sekalian tlong

Answer 1

Verified answer

<B1=78
<B4=6x
<B3=78 ( bertolak belakang )
<A1=78 ( dalam berseberangan )
<A4=3y

<B4=6x+78=180
6x=180-78
6x=102
x= 102:6
x=17
6x=6(17)=102
<A4= 3y+78=180
3y=180-78
3y=102
y=102:3
y= 34
x+y= 17+34
=51