Properties of triangle, math, Marketing Management

Assignment Help:

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?

Related Discussions:- Properties of triangle, math

Marketing issues, QUESTION 1 (a) Explain the term ‘implementation of st...

QUESTION 1 (a) Explain the term ‘implementation of strategies' and enumerate the eight components of strategic implementation (b) Elaborate on any THREE of the following iss

Process design can best be improved, Process design can best be improved by...

Process design can best be improved by Adopting a strategy of continuous improvement.

Marketing in the automobile industry and ncc, Question 1) Consider mar...

Question 1) Consider marketing in the automobile industry. Either for your car, or for that of someone you know, how did marketing strategy impact the purchase decision? Pleas

Store layout, Store layout The word store layout refers to: How stor...

Store layout The word store layout refers to: How store fixtures and display gondolas are positioned within the store The size of the store fixtures and display gondolas

Global markets, Understanding other cultures is vital to success in the glo...

Understanding other cultures is vital to success in the global marketplace. Refer to Table 21-3 which lists some blunders in International Marketing. One of my favorite blunders ha

What is economic and competitive environment, What is Economic and Competit...

What is Economic and Competitive Environment? Economic and Competitive Environment: Environment Factors of Economic and Competitive, including the effects of common econ

Green marketing., what are the problems with green marketing? And what are ...

what are the problems with green marketing? And what are there remedies?

What are the phases of web marketing, What are the phases of Web Marketing?...

What are the phases of Web Marketing? There are many millions of people buying online all day. When they’re not buying through you then whose fault is which - theirs or yours?

Stan australia, need to write an assignment on stan Australia over 2500 wor...

need to write an assignment on stan Australia over 2500 words by using strategies, ideas, using 4ps etc

What are the basic styles of negotiation, Question 1: (a) What are the...

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

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages