360 degrees = Total number, T.
So a sector of x degrees is equivalent to x*T/360 units.
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Any point on the graph can be the center of a circle. If the center is on the x-axis, then the circle is symmetric with respect to the x-axis.
i thank it is a long thing
If a = b then it is a circle; otherwise it is an ellipse.
The difference between a graph and a diagram is as follows: a diagram is a chart which shows a drawing and a graph is a graph with lines or bars indicating something specific in numbers.
If you are talking about a graph, a solid circle means that point, say (3,4), is included, and an open circle it is not included