On a pie chart, a category representing 20% of the whole should correspond to a central angle of 20°.

No! 20% does not correspond to a central angle 20°.

Step-by-step explanation:

The central angle for pie chart is 360°.

So, a category represents 20% is 20%(360) for central angle.

Let's simplify it to get the angle,

Simplify it,

72°

So, 20% does not correspond to a central angle 20°.

how am i supposed to answer

step-by-step explanation:

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are