if we shade half of the circle, we will call the shaded part sector or segment
We can call it both as it is 180° subtended at the centre so it is sector and straight line touching two point of the circle so it is segment.
How much part of the circle we need to shade to show 25% data in the pie chart?
The options show circle centered at O. Certain parts of the circle have been shaded. Which of the following options represent the sector of the circle?