Latitude

Set 6.1
David Cohen

Please do the even numbers only.

 

44.
Sinapore
s=r*θ

s=arc length (in radians)
r=3960mil
θ=central angle in radians

θ=1° 17‘=1.283°=> to radians
θ=0.022393 radians

s=3960mil*0.022393

s=88.67 mil

s=89 mil

46. Lagos

s=r*θ
r=3960mil
θ=6° 27‘=6.45° => to radians
θ=0.1126 radians

s=3960mil*0.1126
s=445.79mil
s=446mil

48.

s=r*θ
r=3960mil
θ=64° 51‘=64.85° => 1.1318460199183227radians
s=3960mil*1.1318460199183227
s=4482.1102388765579 mils
s=4482mil

 

I'm impressed.