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

Human resources, employees going on assignment in another culture need to b...

employees going on assignment in another culture need to be aware of their own

Explain about the consumer movement in marketing activities, Explain about ...

Explain about the consumer movement in marketing activities. Consumer movement: Avarious collection of independent peoples, groups and organizations seeking to defend the

International marketing, with the aid of a diagram discuss the key issues o...

with the aid of a diagram discuss the key issues of export MARKETING strategy and export performance

Meaning of price, Meaning of price: Price is the marketing mix element...

Meaning of price: Price is the marketing mix element that product revenue, the other producer costs. Price is also one of the most flexible elements: it can be changed quickly

Patent, It is a legal document which ensuring exclusive rights to a procedu...

It is a legal document which ensuring exclusive rights to a procedure or product using a unique technological or structural innovation.

Identify a direct marketing campaign, Question 1: (a). Elaborate using...

Question 1: (a). Elaborate using examples, two advantages the internet provides to direct marketers. (b). Apart from online marketing as a form of direct marketing, de

Explain selling of product correspond to views of customers, Explain the se...

Explain the selling of a product correspond to the views of customers. In condition, the company is preparing an offering mix of products, prices and services and utilizing a c

What is line filling in product line, What is Line Filling in Product Line?...

What is Line Filling in Product Line? Line Filling: A product line can also be length though adding more items into present product range there are a few reasons for li

Modeling with quadratic functions, i need help

i need help

Define the term new brands, Define the term New Brands. New Brands: ...

Define the term New Brands. New Brands: A company may make a new brand name while it enters a new brand category for that none of the current brand of company names are a

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages