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

Geographically concentrats buyer in business-consumer market, What are the ...

What are the roles of geographically concentrated buyers in business market and the consumer market? Geographically Concentrated Buyers: Many of the business concerns th

Research methodolgy and statistical anaysis, differentiate between histogra...

differentiate between histogram and histograms,correlation and regression

Explain about the advertisement and economy in marketing, Explain about the...

Explain about the Advertisement and Economy in Marketing. Advertisement and Economy: • Produces more employment • Fluctuations into Advertisement budget as per economi

What is the net present value of the initial project, Question : After ...

Question : After graduating your MBA a month ago, you took the position of Assistant Corporate Financial Manager at Ulrich Drug Company. You are working as a special assistant

7 ps of marketing on media, discovery

discovery

Test marketing, various approaches that are followed by fast moving consume...

various approaches that are followed by fast moving consumer goods companies in test marketing

Differentiate business market and the consumer market, What is difference b...

What is difference between Business Market and the Consumer Market? The business market comprises all the organizations which obtain goods and services that are used for furthe

FOUR TRENDS IN THE MACRO MARKET, Identify and briefly describe four trends ...

Identify and briefly describe four trends in the macro/market environment that will have or recently had an influence on the selected industry.

Trigogometry, If b+c=3a,then the value of cotB/2 cotC/2 is equal to....

If b+c=3a,then the value of cotB/2 cotC/2 is equal to....

Explain about business marketing, Explain about Business Marketing. Whe...

Explain about Business Marketing. When customer is the focus of all activities marketer has not to search customer to seek response to his products. Customer group is decided f

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