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

How is impact of promotional efforts determined, How is impact of promotion...

How is impact of promotional efforts determined? Find out the impact of promotional efforts: Marketing research facilitates appraising and improving the methods of sales p

Scope , SCOPE, OBJECTIVES AND PURPOSES OF MANAGEMENT INFORMATION SYSTEM...

SCOPE, OBJECTIVES AND PURPOSES OF MANAGEMENT INFORMATION SYSTEM The scope and purposes of Management Information System can be better understood if we examine each word i

Discuss the significance of a customer retention strategy, Question 1: ...

Question 1: "Relationship Marketing is a new marketing paradigm which challenges the straight-jacket marketing mix approach." Evaluate this statement and illustrate with examp

Success of shopers stop, What are the significant factors that have led to ...

What are the significant factors that have led to the success of shopers stop?

Explain the types of advertising appeal, Question 1: (a) Organisations...

Question 1: (a) Organisations make use of advertisements to promote its products and services. Explain the types of advertising appeal that are used. (b) Civil Society Org

Are multimedia contents not significant to e-business, Are multimedia conte...

Are multimedia contents not significant to e-business applications? Multimedia contents significancy to e-business applications: Rather Multimedia contents are most signifi

Explain the role of the basic marketing mix, The DD drinks company was foun...

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

Probability, how to solve problems involving conditional statement

how to solve problems involving conditional statement

Case study, considering the concept of product life cycle where would you p...

considering the concept of product life cycle where would you put video games in thier life cycle

Produce marketing objectives for mcdonald, Over the past couple of decades,...

Over the past couple of decades, there have been significant changes in the quick service restaurant industry in Mauritius. The fast food landscape is made up of different formats

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages