A sector in a pie graph is 12 cm^2, radius is 4cm, what is the angle?
1 Answer
Jul 12, 2015
Explanation:
Radius of Circle = 4cm
Recall : Area of disk =
Here, the area of our graph =
Then our sector of
And
Therefore, the
(It represents approximately
Now we want the angle of the sector (in radian measure)
If the sector cover
Thus :
The angle measure of the sector is equal to