tolong beserta caranya

Keliling 1( persegi panjang)= 2x(p+l)= 2x(25+20)= 2x45= 90cm

keliling 2(persegi)= 4xs= 4x9= 36 cm

Keliling yg di arsir= K1-K2= 90cm - 36cm= 54 cm

jawaban: A

Keliling Keseluruhan =
= (20×2)+(9×3)+(25-9)+25
= 40+27+16+25
= 67+41
= 108 Cm (C)

Semoga bisa membantu :)