Hitunglah luas & keliling tersebut

luas : bid.1+2+3
luad bid.I = 12 cm x 4 cm
= 48 cm
luas bid II = (12-8) × (8-4)
= 4 × 4
= 16
luas bid.III =8×4
= 32
Luas total = 47+16+32
=95 cm
keliling =12+8+8+4+8+16
=56cm