tolong dijawab ya hohoho lagi butuh banget nih ^ ^

2(x+5)+2(x+1) = 28
2x+10+2x+2 = 28
4x + 12 =28
4x = 28 - 12
4x = 16
x = 4
jadi, p=(x+5)
= 5+5 = 10
l =(x+1)
= 5 + 1= 6
L = p.l
= 10.6 = 60
semoga membantu :))