tolong dijawab memakai cara

1. 15 + 8 x 8 = 92cm²
2. 21 x 7 = 147cm²
3. 22per7 dikali 14 dikali 14 = 616cm²
4. 16(d1) x 28(d2) : 2 =224cm²
5. 15 + 9 x8 =96cm²
6. 44(d1) x 36(d2) : 2 = 792cm²
7. Sama kaya nomor 3

Semoga membantu ya