Sisi Panjang Sisi Lebar Gambar Keliling Luas (alas) (tinggi) 8 cm 6 cm 2(8 + 6) = 28 8 × 6 = 48 1 × 8 × 6 8 cm 6 cm 8 + 6 + 10 = 24 2 = 24 2(10 + 4√2 10 cm 6 cm 10 × 6 = 60 = 20 + 8√2 1 10 + 10 + 4√2 × 10 × 6 10 cm 6 cm 2 = 20 + 4√2 = 30