The radius of a circle inscribed in any triangle whose
Chapter 1, Problem 26(choose chapter or problem)
The radius of a circle inscribed in any triangle whose sides are a, b, and c is given by the following equation, in which s is an abbreviation for (a + b + c) 2. Check this formula for dimensional consistency. r =_(s _ _a _)( _s_ s_b _)( _s__c _) _ 2
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