hitunglah luas dan keliling bangun berikut!

L1 = p × l = 8 × 5 = 40 cm²
L2 = p × l = (23 - 8 - 5) × (17 - 8) = 10 × 9 = 90 cm²
L3 = p × l = 17 × 5 = 85 cm²
Lttl = 40 + 90 + 85 = 215 cm²

K = 2 × (23 + 17)
= 2 × 40
= 80 cm