Jawabanmu

2014-09-11T19:53:14+07:00
L1 = 22/7 ×14 m × 14 m = 616 m²
L2 = 13,4 × 20 m × 20 m = 536 m²
#. L1 - L2 = 616 m² - 536 m² = 80 m²
2 2 2