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

New products development process, New products development process: Id...

New products development process: Idea generation: the development of the new product starts with a generation of new ideas. There may be a number of sources of the ideas gen

Value proposition, Value proposition of Cadbury dairy milk?

Value proposition of Cadbury dairy milk?

Business Plan, I have done a part 1 of my business plan but clueless of how...

I have done a part 1 of my business plan but clueless of how to do the business plan 2 part that i need done. If i send my part 1 of the business plan is it anyway that you can do

Financial plan, The financial plan consists of a 12-month profit and loss p...

The financial plan consists of a 12-month profit and loss projection, a four-year profit and loss projection (optional), a projected balance sheet, a cash flow projection and a bre

FMCG, 1. What is test marketing? Explain the various approaches that are fo...

1. What is test marketing? Explain the various approaches that are followed by FMCG companies in test marketing.

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

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

Challanges of e - marketing, The challange of E - Marketing 1. Li...

The challange of E - Marketing 1. Limited consumer exposure and buying 2. Skewed user 3. Choose and clutter 4. Security 5. Ethical con

Illustrate the term market and its managing, Illustrate the term market and...

Illustrate the term market and its managing. We comprehend a market like the set of all actual and potential buyers of a service or product, and we control the marketing by ana

Hypothesis and market strategy , As this course progresses collect examples...

As this course progresses collect examples of promotional materials and advertising from various health related organizations. You can select various media forms but be sure to in

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages