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

Explain about the microenvironment of a company, Explain about the microenv...

Explain about the microenvironment of a company. The Company’s Microenvironment: The forces close to the company, affect its capability to serve its customers, the compa

Algebra 2, the cost of renting a canoe is $20 dollars for the first 4 hours...

the cost of renting a canoe is $20 dollars for the first 4 hours and $3 per hour for additional hours. Sketch a graph of the cost of renting a canoe from 0 to 8 hours. Then write a

FMCG companies, various approaches followed by FMCG companies in test marke...

various approaches followed by FMCG companies in test marketing

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

Export and import procedures and documentation., What are the procedures of...

What are the procedures of export under deferred paymente?

Advantages of the advertising, Advantages of the advertising: 1.       ...

Advantages of the advertising: 1.       It increases the sales volume: advertising increases the sales volume of the product. Hence mass production is possible. This leads, to

What are the problems with green marketing, What are the problems with gree...

What are the problems with green marketing? Problems with green marketing: During using green marketing the firms should overcome a number of potential problems. Those proble

Marketing strategy development - new product development, Marketing Strateg...

Marketing Strategy Development a. The fourth step is marketing strategy development that involves designing primary marketing strategy for a fresh product depends on the manuf

What is way to define value in marketing of customer, What is the way to de...

What is the way to define the customer’s value in marketing? As we can define the customer value like the difference among the values the customer gains by owning and using a p

State the term product according to jerome mccarthy, State the term product...

State the term product according to Jerome McCarthy "A product is more than just a physical product with its associated functional and aesthetic features. It comprises accessor

Write Your Message!

Captcha
Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd