Idk why I did that but I found square of area between Aurora and ||Both islands||:
S△ = sqrt (p*(p-a)(p-b)(p-c) - (According to Heron's formula)
P = a + b + c
P = 2320m + 2125m + 1165m = 5610m
p = P/2
p= 5610m/2 = 2805m
S = sqrt (2805m * (2805m - 2320m) * (2805m - 2125m) * (2805 - 1165m)
S = sqrt (2805m * 485m * 680m * 1640m)
S = sqrt 1.51714596e+12m (1 517 145 960 000m)
S = 1231724.79069 (m²)
Answer: S = 1231724.79069m²
S = 1.2317 km²
S = 123.17 ha





