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

Determine the concept of elasticity of demand, Determine the Concept of ela...

Determine the Concept of elasticity of demand Decision-making point of view, though, the knowledge of only the nature of relationships isn't sufficient. What is more significa

Promotion mix, Developing a promotion mix is contingent on many factors, in...

Developing a promotion mix is contingent on many factors, including the type of product and the product''s attributes. Which of the four promotional methods-advertising, personal s

Discuss data analysis phase on shortly, Discuss data analysis phase on shor...

Discuss data analysis phase on shortly. Phase Data Analysis: When you’ve performed via online market research, now go to systematize the data you have. Note down what ar

Main advantages of keeping an in-house is function, Identify FIVE main adva...

Identify FIVE main advantages of keeping an in-house IS function. There are several significant advantages of maintaining an in-house IS function, five are listed below. H

What are psychological factors of consumer behaviour, What are the psycholo...

What are the psychological factors to determine the consumer behaviour? Psychological: A person’s acquired requirements are influenced by certain psychological factors as lik

Generic product marketing, Select a generic product. Define its customer se...

Select a generic product. Define its customer segmentation, marketing technique, customer service initiatives, and the approach used to marketing?

Product life cycle, considering the concept of product life cycle where wou...

considering the concept of product life cycle where would you put video games in their life cycle

What is the meaning of product development, What is the meaning of product ...

What is the meaning of product concept? Meaning: Product concept means that consumers will favor products which offer the most performance, quality and features and which

Marketing MBA 565, You are currently working for a company called Pierogi''...

You are currently working for a company called Pierogi''s and More....

What is role of competitors in microenvironment of a company, What is the r...

What is the role of competitors in microenvironment of a company? Competitors: The marketing concept declares that, to be successful, a company should give greater custo

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages