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

Discuss training methods available to an organisation, Question 1: (a) ...

Question 1: (a) Differentiate clearly between the terms ‘Training' and ‘Development'. (b) Discuss the following training methods available to an organisation. (i) Apprent

Growth in media and increase in industrialization by ads, Q. Growth in medi...

Q. Growth in media and Increase in industrialization by ads? Growth in media: - Earlier extremely less media sources were available to advertisers for communicating with targe

Explain about the product assortment in briefly, Explain about the product ...

Explain about the product assortment in briefly. “A product mix (also termed as product assortment) is the set of all products and items which a particular sellers offers for s

Henry Assael Model, Explain Henry Assael Model of buying decision behaviour...

Explain Henry Assael Model of buying decision behaviour along with the diagram”.

What is niche marketing, What is Niche Marketing? Niche Marketing: ...

What is Niche Marketing? Niche Marketing: This Marketing is sometimes also termed as micromarketing. Marketers generally identify niche through dividing a segment within

Corporate socil responsibility, what are your views of targeting of a produ...

what are your views of targeting of a product of children in todays world in case of ethicist?

Add two five-byte numbers using arrays, Program: Add two five-byte numbers ...

Program: Add two five-byte numbers using arrays ; ALGORITHM: ; Make count = LEN ; Clear the carry flag ; Load address of NUM1 ;

Monorail , product report and market segmentation of monorail companies

product report and market segmentation of monorail companies

What techniques and devices are included in sales promotion, What technique...

What techniques and devices are included in sales promotion? Techniques or devices used within sales promotion comprises: • Samples, • Quantity Deals, • Premiums, •

Illustrate the term market and its managing, Illustrate the term market and...

Illustrate the term market and its managing. We comprehend a market like the set of all actual and potential buyers of a service or product, and we control the marketing by ana

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages