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It's an imaginary circle around the earth that's parallel to the equator and about
23.5° south of the north pole.
It's the boundary of the region surrounding the north pole where it's possible to have
24 hours without a sunrise (in December), and 24 hours without a sunset (in June).
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What does it mean to circle a circle?
You draw a circle around a circle.
What is radius of a circle?
Its the distance from the center of the circle to the edge of the circle.
A chord of a circle that contains the center of a circle-?
The cord of a circle that contains the center of that circle is a diameter of that circle.
What of a circle connects its center to a point on the circle?
it becomes a circle inside another circle
What is a radiu s of a circle?
If you draw a line from the center of a circle to the edge of a circle, you have drawn the radius of the circle. If you draw a line from the edge of a circle through the center of the circle and on to the edge on the opposite side, you have drawn the diameter of a circle. The radius of a circle is one half the diameter of a circle.
