Answer:
C
Step-by-step explanation:
A cylinder is formed when rotating the 3-D figure around y-axis
249 km in 3 hours are 83 km in 1 hours
249 : 3 = 83 Km
its pithagoreon so
c^2= a^2+ b^2
c^2= 32^2 +24^2
c^2= 1,024+576
c^2= 1600
c== 40