yes
Yes, a circle graph and a pie chart are the same thing
A Pie Chart or Circle Graph
It's a Pie graph or Pie Chart are two other common names for a circle graph.
Circle Chart or Circle Graph
pie graph
A pie graph.
Pie Graph
A circle graph is a pie chart
If, by circle graph, you mean a pie graph then 450 will be 360*450/n degrees where n is the sum of all the sectors of the pie.
a pie chart
a graph shaped in a circle with its data cut into it with different colors like a pie.
i present by drawing circle