tolong jawablah .besok dikumpul.pake caranya yaa

1. K. Lingkaran = pi × diameter
= 3,14 × 56
= 175,84 m
Byk putaran = jarak : keliling
= 902 : 175,84
= 5,12966 = 5 1/8 jawaban "D"

2. 33 km = 330.000 cm
330.000= 5000×2×3,14×r
330.000=5000×6,28r
330.000=31400r
r= 330.000 : 31400
r=10,51