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

Video game, Should video game companies continue to alter their products to...

Should video game companies continue to alter their products to include other functions, such as Email ?

What is role and status of sociality in consumer behaviour, What is the rol...

What is the role and status of sociality in the consumer behaviour? Social: This comprises family and their status and role. 1. Family: It also affect the buying behavi

Marketing and society, Marketing and Society In working to meet the co...

Marketing and Society In working to meet the consumer's requirements, marketers can take some actions that are not accepted by all publics or consumers within the social secto

Effective traffic demands, The problem formulation are: R ...

The problem formulation are: R the set of all mesh routers N number of mesh routers K the maximum

Market attractiveness, Market attractiveness is a measure of the profit po...

Market attractiveness is a measure of the profit potential inbuilt in the structure of a market or industry. There are a large number of factors contributing to (and which may be

How is customer satisfaction measured in marketing, How is customer satisfa...

How is customer satisfaction measured in marketing? Customer satisfaction measures how suitably a company’s products or services convene or exceed customer expectations. Such e

Explain in detail the various steps in menu costing, Question 1: You ha...

Question 1: You have just been appointed as Food & Beverage Controller of a medium -size hotel and you have been requested to set up a new control system. (i) Explain in d

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

Examine the umbrella and portfolio approaches to branding, Question 1: ...

Question 1: Critically examine the importance of product design, New Product Development (NPD) and explain the reasons for failures in NPD and how would you overcome them?

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