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

Characteristics of competitive product in growth stage, What are the charac...

What are the characteristics of competitive product in Growth Stage? Competitive product, launched through more powerful type, can enter the market into Growth Stage. Several c

"CONSUMER MIND IS A BLACK BOX"-DISCUSS, "CONSUMER MIND IS A BLOCK BOX"-DISC...

"CONSUMER MIND IS A BLOCK BOX"-DISCUSS

The internet for marketing purposes, The DD drinks company was founded over...

The DD drinks company was founded over one hundred years ago by a deeply religious family and has been recognised as being a good employer ever since. The company has a long histor

#title.ms., factors affecting the product life cycle

factors affecting the product life cycle

Define the concepts of marketing research, Define the concepts of marketing...

Define the concepts of marketing research. Market Research: Marketing research is the intelligence facility of a business enterprise. This implies the careful and goal st

Main advantages of keeping an in-house is function, Identify FIVE main adva...

Identify FIVE main advantages of keeping an in-house IS function. There are several significant advantages of maintaining an in-house IS function, five are listed below. H

A Study on Customer Satisfaction on Mobile Service Providers, is this gramm...

is this grammatically correct or not?

TEST MARKETING, Explain the various approaches that are followed by FMCG CO...

Explain the various approaches that are followed by FMCG COMPANIES IN TEST MARKETING

What are the intangible goods, What are the Intangible Goods Intangi...

What are the Intangible Goods Intangible goods refer to services provided to individual consumers or to organisational buyers (industrial, institutional, commercial, governm

Illustrates the words of philip kotler about e-commerce, Illustrates the wo...

Illustrates the words of Philip Kotler about e-commerce? In the opinion of Philip Kotler : E-commerce can be described as a general term for buying and selling procedu

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages