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

Product life cycle, considering the concept of product life cycle, where wo...

considering the concept of product life cycle, where would you put video games in their life cycle

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

Personal selling, Personal selling: Meaning & definition: Personal se...

Personal selling: Meaning & definition: Personal selling is unique as it is a face to face transaction between a salesman and a prospective customer. Evidently, a well traine

Types of tourism-specific methods of segmentation, Question : It is gen...

Question : It is generally acknowledged that there are 5 classical ways of segmenting consumer markets. In other words, the consumer population can be divided on the basis of

Categorization of the advertising, Categorization of the advertising:- ...

Categorization of the advertising:- The objective of advertising differs under different situations. One advertiser may perhaps seek to generate immediate response from the cus

What are the product levels in marketing, What are the product levels in ma...

What are the product levels in marketing? Product Level in Marketing: Marketers require to think through five level of product when planning its market giving as each lev

State about the term - advertising, State about the term - Advertising ...

State about the term - Advertising   Advertising is the most usually used tool for informing the present and prospective consumers about the product, its quality, availabilit

Marketing implementation, Marketing implementation: Planning goods s...

Marketing implementation: Planning goods strategies is only a start toward successful marketing. A brilliant marketing strategy counts for little if the company fails to imp

Concept and characteristics of environment, Concept of environment: enviro...

Concept of environment: environment literally means the surroundings, external objects, influences or circumstances under which someone or something exists. The environment of any

State the classification of product, State the classification of Product ...

State the classification of Product Product can be broadly classified on the basis of (1) use, (2) durability, and (3) tangibility . Let's have a brief idea about various ca

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd