Area of a sector calculator

Image of a sector


Instructions for using this area of a sector calculator

The calculator is not hard to use. If you are not sure what a sector is, study my lesson about sector in the geometry section of the website

Enter the length of the radius of the circle

Enter the measure of the angle between the radii

Then click on the button that says calculate

Do not enter numbers with a slash (/)! If you do, the wrong answer will be computed

Therefore, convert all fractions into decimals before entering numbers

Enter all numbers without the unit. For example, if r = 5 cm, enter 5.

For the angle, enter a positive number smaller or equal to 360


Enter n or the angle:

Enter the radius of the circle

  

The area of this sector is :  



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