<span>5 n C r 3 = 10 </span><span>がんばってね</span>
Answer:
If -pi/3, the answer would be -1.05. If positive pi, then it's 1.05.
<span>Statistical sampling:
Uses laws of probability for selection and evaluation of a sample.
Allows for quantification of audit risk and sufficiency of audit evidence.
Nonstatistical sampling:
Does not utilize statistical models in calcualtions.
Uses a non-mathematical approach to determine sample sizes and evaluate the selected samples.</span>
Getting the central area of a polygon is not possible. Probably the question refers to the central angle. In a a regular polygon, getting the central angle is that you need to use the formula.
Central Angle of a polygon = 360 degrees / number of sides of a polygon.
Why 360 degrees? Because, a circle has a total of 360 degrees. And a circle is a polygon with no sides.
Then a is Half of 45 wich is 22.5 I believe.
