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

Marketing channels, If a consumer buy an items through a catalog over the p...

If a consumer buy an items through a catalog over the phone with a credit card, is the credit card company a channel member? if the product is delivered by FedEx, is the FedEx a ch

Jbhj, consumer profile of typical buyer of rayban

consumer profile of typical buyer of rayban

Potential advantages for wv8 of decentralising the cis, WV8 is a large not...

WV8 is a large not for profit (NFP) public sector organisation responsible for organising the operation of publicly financed schools within its region. WV8 receives its income sole

Define the concept of integrated communication, Question 1: (a) Disting...

Question 1: (a) Distinguish between destination branding and country branding? (b) Market Research is of paramount importance prior to developing a branding and a communicat

Analysis of the business environment, Any lady outfit looks great if it is ...

Any lady outfit looks great if it is designed with style and fits well. To take that outfit up a notch just adds accessories such as, amongst others, jewellery, handbags, scarves a

Advertising and marketing in rural areas, Question 1: Discuss why new m...

Question 1: Discuss why new media will have to be created and conventional ones used differently to communicate with the rural consumer. Detailed explanation on ‘Advertis

Traditional marketing communication strategies, Question: a) Describe ...

Question: a) Describe the differences between traditional marketing communication strategies and service business communication strategies. b) Show the key planning conside

Psychographics and demographics of customer in research, How are the psycho...

How are the psychographics and demographics of customer identified in marketing research? Marketing research tries to reveal the number of persons who buy why they buy, when th

Information-processing marketing communications, Marketing communications ...

Marketing communications Marketing communications have been used to convey product-related information to customer-based audiences. Today, a range of stake holders have connec

Handbills and coupons, Handbills and coupons Handbills and coupons are...

Handbills and coupons Handbills and coupons are letter size or small sheets of paper that are generally printed from both sides. Advertising distribution companies will compil

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages