an ellipse, one of the four types of "conic sections": ellipse, circle, parabola, and hyperbola
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-- One sixth of a circle is a shape that looks like a piece of pie or an ice cream cone. -- It is called a "sector". -- The two straight lines meet at an angle of 60 degrees. -- The length of the curved line is (pi)R/3 . That's about 1.05 times the length of one of the straight lines.
Half a circle is called a semicircle
Well an o is a boy and a circle looks like a o... so its a boy!!!
It's possible for any number of intersecting lines to all be tangent to the same circle. Think of a dinner plate sitting in a pizza box that just exactly fits it. Looking straight down from above, it looks like a circle inside a square. All four sides of the square are tangent to the circle.
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