Apothem of triangle inscribed in a circle with a radius of 8 inches

[momto3]

If an equilateral triangle is inscribed ina circle with a radius of 8 inches long, how do I find the length of its apothem?

 

[galactus]

Re: Apothem of triangle inscribed in a circle

Here is a nice for site for that:

http://www.mathopenref.com/polygonapothem.html

 

[TchrWill]

Re: Apothem of triangle inscribed in a circle

An apothem is the distance from the center of the circle to a side measured perpendicular to the side.
Having the interior angles of the triangle and the radius of the circle, you should be able to calculate the length of the apothems.