66.5 degrees north
Yes.
a cirlce
24 hours of darkness
The tropic of cancer is closer to the equator.
180 is half of 360 therefore 180 is half of a cirlce because 360 is a circle
no
cirlce
Assuming that cirlce = circle and raduis = radius, the answer is 452 sq metres.
about 69 miles
latitude 66o 33' N
it is a cirlce with a cross
it is a sphere not a cirlce.