Question

Tolong dikerjakan plsss

Answer 1

maka jawabbnya adalah
x =3
2×-1 = 2(3) -1 = 6-1 = 5 cm

Answer 2

K   = 2 (p + l)

32 = 2 [(3x + 2) + (2x - 1)]

32 = 2 (5x + 1)

32 = 10x + 2

x   = (32 -2) /10

x   = 30/10

x   = 3

maka ukuran lebarnya :

2x - 1 = 2(3) - 1

         = 6 -1

         = 5 cm (d)