Tolong kak jawab ya 12-15 please besok dikumpulin nih

1. L 1 = pxl = 8.2 = 16 cm²
L2 = pxl = 8.6 =48 cm²
L3 = pxl = 10x3 = 30 cm²
luas seluruhnya = 16+48+30 =84

2. L = πr² = 3.14x6²=113.04
3. L = πr² = 22/7.14.14 = 616
4. Laxt