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

Self-management in renal nursing, Statistics show that rates of CKD are con...

Statistics show that rates of CKD are continuing to rise in Australia and worldwide. Global and national economies and health politics affect the health budget. A nephrology se

Caselet, Considering the concept of product life cycle, where would you put...

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

What are suppliers firms and resellers in microenvironment, What are Suppli...

What are Suppliers Firms and Resellers in the Microenvironment of a company? Suppliers: Suppliers Firms and individuals which provide the resources required by the company

Ethical aspects of advertising - moral degradation, Q. Ethical aspects of a...

Q. Ethical aspects of advertising - Moral Degradation? Moral Degradation: - Giving sexual-appeal has turn into very common practice for gaining attention of viewer. It is extre

Core concept, whats the core concept for marketing

whats the core concept for marketing

Buying roles, Buying roles: marketers have to go beyond the various influe...

Buying roles: marketers have to go beyond the various influences on buyers and develop an understanding of how consumers actually make their buying decisions. Specifically, market

The project be completed or abandoned, The government has undertaken a high...

The government has undertaken a highway bridge project that was originally projected to cost $2 million and provide benefits of $2.5 million. Unfortunately, the costs have been mu

State the term premium pricing briefly, State the term Premium Pricing brie...

State the term Premium Pricing briefly? Premium Pricing: This price strategy applied to various version of to similar product. It is a better version and a fundamental or

Give a review on pricing policies for pricing of services, Question 1: ...

Question 1: Teamwork as a concept has grown over the last 20 years, especially in the service industry. Thus, teamwork success is not automatic. Teams have to be established fo

Explain about the sales promotion, Explain about the Sales Promotion S...

Explain about the Sales Promotion Sales promotion comprises numerous marketing techniques which are often used tactically to provide added value to an offering, with aim of ac

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages