ABC is a triangle with side lengths 13,14 and 15 units. If I is the incentre and R is its circumradius, then the value of is equal to (in sq. units)
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.