tolong jawab kak no 19,21,22,25,27 makasih

Gak ada gambar nya.........

19. L1 = p × l
= 16 × 6
= 96 cm²
L2 = 1/2 × a × t
= 1/2 × 4 × 6
= 12 cm²
L1 + L2 = 96 + 12
= 108 cm² (C)
21. L = (phi) × r × r
= 22/7 × 35 × 35
= 110 × 35
= 3850 cm² (B)
Semoga membantu maaf hanya segitu ^-^