tolong kerjain Kak /\

1) ( 4a / 6 ) = ( 3a-1 / 2 )

2 ( 4a ) = 6 ( 3a - 1 )

8a = 18a - 6

8a - 18a = - 6

- 10a = - 6

a = -6/-10

a = 3/5 ( D )


2) K = 2 × ( p + l )
32 = 2 × ( 3x+2 + 2x - 1 )
32 ÷ 2 = 5x + 1
16 = 5x + 1
16 - 1 = 5x
5x = 15
x = 3
lebar = 2x - 1 = 2(3) - 1 = 6 - 1 = 5 (D )