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

Sales management, what is creative selling and what are its advantages?

what is creative selling and what are its advantages?

"CONSUMER MIND IS A BLACK BOX"-DISCUSS, "CONSUMER MIND IS A BLOCK BOX"-DISC...

"CONSUMER MIND IS A BLOCK BOX"-DISCUSS

Factors affecting media planning, Factors affecting media Planning:- (1...

Factors affecting media Planning:- (1) Nature of Product: Product to be advertised is able to be industrial/technical product or consumer product: Industrial/Technical produc

Meaning of the promotion mix, Meaning of the promotion mix: Promotion m...

Meaning of the promotion mix: Promotion mix refers to the combination of the various promotional elements viz, advertising, personal selling, publicity and sales promotional te

Importants of Marketing Management, 1. what are the importans 2. For whom u...

1. what are the importans 2. For whom use marketing managment

Systems of equations, the sum of square of two is 13 and the sum of thrice ...

the sum of square of two is 13 and the sum of thrice the smaller the larger is 12.what are the numbers?

Differences between goods and services, Question: ‘The basic difference...

Question: ‘The basic differences between goods and services offer the biggest challenges to Service marketers'. With reference to services you are familiar with, discuss th

(a+b)2 formula, can anybody tell me where (a+b)2 is applicable in real worl...

can anybody tell me where (a+b)2 is applicable in real world

Describe the dimensions of service quality, Question: As the marketing ...

Question: As the marketing manager of a hotel, you have selected the SERVQUAL instrument to assess service quality in your organisation. In this context, a) Describe the di

E COMMERCE, APPLICATION OF E COMMERCE IN VALUE CHAIN INTEGRATION

APPLICATION OF E COMMERCE IN VALUE CHAIN INTEGRATION

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