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

Business to business marketing, You have been tasked by a Salesforce Traini...

You have been tasked by a Salesforce Training firm to produce an article for their newsletter. The article is to be written as part of a special issue for trainee sales people. The

Customer cycle of failure in a service organization, Question: a) Expl...

Question: a) Explain why service personnel are a source of customer loyalty and competitive advantage. b) Discuss the customer cycle of failure in a service organization.

Define the term product life cycle, Question 1: Mc Donald is a leading ...

Question 1: Mc Donald is a leading fast food restaurant that operates worldwide. Mc Donald conducts environment analysis to adapt itself to different countries. a) Iden

Brands and branding policies, what are all about brands and branding polici...

what are all about brands and branding policies?

Marketing communication for a new product (Diet cupcakes), 1. Use any tool ...

1. Use any tool of the promotion mix tools to promote and sell your new product “Diet cupcakes”. Specify the tools and the reason for selecting it. 2. Screen the communication o

Algebra , the ordered pair (-1, -1) is a solution of the system -4x + 2y = ...

the ordered pair (-1, -1) is a solution of the system -4x + 2y = 2 and x + y = -2. true or false

Show the importance of brand charter, Question 1: (a) Distinguish betw...

Question 1: (a) Distinguish between Destination Branding and Country Branding? (b) ‘The quality of a destination brand depends on the selection of the communication strate

What is structural realignment, What is Structural realignment Marketi...

What is Structural realignment Marketing communications agencies are attempting to adjust the way they can best serve interests of their clients. One of the results is structu

Challenges facing a customer centric organization, The world is changing dr...

The world is changing dramatically with the internet becoming increasingly the panacea for all things that touch the customer and the customer-facing processes. However an enterpr

Drip elements of marketing communications, DRIP elements of marketing commu...

DRIP elements of marketing communications DRIP element Examples Differentiate Burger King differentiates itself from market

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages