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

Describe kpi, Identify Key Performance Indicators (KPIs) 1. Unde...

Identify Key Performance Indicators (KPIs) 1. Undertake liaison with managers, engineers and other staff responsible for designing and/or implementing change 2.

Algbra 2, If 3a-2b=8 and a+3b=7, what is the value of 4a+b?

If 3a-2b=8 and a+3b=7, what is the value of 4a+b?

Old concept or product oriented concept of the marketing, Old concept or pr...

Old concept or product oriented concept of the marketing: There is the classical concept of marketing. According to this concept, marketing is a part of the production process

Salesforce management, Hello, can you help me with a project?

Hello, can you help me with a project?

Companys marketing audit process, Question 1: You are a marketing assi...

Question 1: You are a marketing assistant for a manufacturer of a branded range of household cleaning products: (a) Describe key factors that could be taken into account wh

Competitive branding strategy, Competitive branding strategy: There ar...

Competitive branding strategy: There are three branding policies and strategies: 1. Brand policies and strategies adapted by the manufactures 2. Brand polici

Mcom Question, Consumer mind a black box-discus..?

Consumer mind a black box-discus..?

Marketing management., whatis test marketing?Explain the various approaches...

whatis test marketing?Explain the various approaches that are followed by FMCG companies in test marketing

Desk based research, Jamieson (1997) suggests that Australia's ability to i...

Jamieson (1997) suggests that Australia's ability to identify and capture the considerable opportunities which will continue to emerge in the Asian region will play a significant r

Impliment and monitor marketing activities, role of stakeholders in marketi...

role of stakeholders in marketing planing

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