Jawabanmu

2014-05-18T19:31:11+07:00
Jika AG = 1/3 AB = 8
Maka AB = 8 × 3 = 24 cm
AD = 2 × 8 = 16 cm

Lseluruhnya = 24 × 16 = 384 cm²
Lyang tidak diarsir = 8 × 8 = 64 cm²

Lyang diarsir = 384 - 64 = 320 cm²

Maaf kalau ada kesalahan