Properties of triangle, math, Marketing Management

properties of triangles.

in the following problem,
In a triangle ABC,if r1 is the exradius of the excircle opposite to A,r2 is the exradius of the excircle opposite to B and r3is the exradius of the excircle opposite to C....
prove that (ar1+br2+cr3)/abc=(1/r)-(1/2R)
where r is the inradius and R is the circum radius.
i tried using these formulae:
r1=(area of triangle)/(s-a)
r1=stanA/2
but i cudnt solve it.how should i start?
Posted Date: 2/15/2012 12:44:21 PM | Location : United States







Related Discussions:- Properties of triangle, math, Assignment Help, Ask Question on Properties of triangle, math, Get Answer, Expert's Help, Properties of triangle, math Discussions

Write discussion on Properties of triangle, math
Your posts are moderated
Related Questions
Question: a) Under what conditions might a marketing firm select to use the following distribution strategies? Intensive distribution, Exclusive distribution, and Selec

The purchase of the smartphones by the netizens has a psychological or functional motive?

A planning in which a business expands its activities to include allocation or lines of business related to the selling of its core products.

We have just completed another Election process. Think of some of the political advertisement you were bombarded with during the last few months. What types of media were used in t

product mix pricing,price adjustment strategy,

Determine the uses of marketing communications in business Organisations are all well-known brand-names however there are hundreds of thousands of smaller organisations which

Question 1: (a) What are the basic styles of negotiation? (b) Explain the implication of Prisoner's Dilemma game? (c) Describe why people act in Red style to protect th

Deciding on the advertising budgets: How does a company know if it will be spending the right amount? If it spends too little, the effect will be negligible. If it spends too

DRIP elements of marketing communications DRIP element Examples Differentiate Burger King differentiates itself from market

Q. Essentials of Headlines for advertisement? Essentials of Headlines:- It must be attractive. It must be brief. It must be easy to memorise. It must narra