tlng bantu,ya dan pake cara juga

42. Lpp = 8 × 6
= 48 cm²
Ltra = (10+6) × 7 / 2
= 16 × 7 / 2
= 8×7
= 56cm²
Lseluruh = 48 + 56
= 104 cm² (d)

43. 2+5+12+4+5+14+9+9
= 60 cm (b)

44. K = (50×2) + (40×2)
= 100 + 80
= 180 m
berlari sejauh = 180 × 3
= 540 m (a)