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

Marketing plan-introducing eco-friendly product, Marketing plan - Introduci...

Marketing plan - Introducing Eco-Friendly Product Based on a selected company, a student is required to conduct a systemic and detailed marketing plan of a new product offering

#titsecondary source, list out the secondary sources of information while p...

list out the secondary sources of information while pursuing market research?

Marketing position-distribution and price strategy, Marketing Template Assi...

Marketing Template Assignment Position strategy The main aim of our marketing group is to design a lunch box menu for Starbucks. Currently, the competitors of Starbucks ha

Define the steps involved in media planning, Q. Define the Steps Involved i...

Q. Define the Steps Involved in media planning? Steps Involved in media planning:- - To know regarding target market. - To Consider different Factors Affecting Media Plan

What is multi channel marketing?, After their first arrival, the telephone,...

After their first arrival, the telephone, email, fax, mobile phone and the internet were rapidly accepted in business contacts and for doing business transactions, creating fresh c

Define the term sustainable marketing, Question 1: (a) Discuss and expl...

Question 1: (a) Discuss and explain with the use of an example the steps involved in conducting an Environmental Impact Assessment (EIA) for planning a new development in a des

#title.ms., factors affecting the product life cycle

factors affecting the product life cycle

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