Properties of triangle, math, Marketing Management

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

Decision making process, how a person make a decision before puchase a car ...

how a person make a decision before puchase a car and effect the decision making proces

Major factors influencing buying behaviour - subculture, Subculture: each ...

Subculture: each culture consists of smaller subcultures that provide more specific identification and socialization for their members. Subcultures include nationalities, religion

What is message control, Message Control Control over the message is e...

Message Control Control over the message is essential to ensure that intended message is transmitted to and received by the target audience. Moreover, this message should be c

Discuss about sales promotion in shortly, Discuss about Sales Promotion in ...

Discuss about Sales Promotion in shortly. Meaning of Sales Promotion: Sales promotion comprises several communications activities which try to offer added value or incent

Market segmentation and key competitors, Schovasice cream market can be bro...

Schovasice cream market can be broken down into basics of flavor, stock keeping unit, consumer segmentation, gender, ethnicity, income. The largest ice cream consumer group is peop

Retail management, what are the various methods used to categorize retailer...

what are the various methods used to categorize retailers?

Explain the stages in the Product Life Cycle with examples., Explain the st...

Explain the stages in the Product Life Cycle with examples.

Markerting landscape, describe five challenes affecting markerters in 21st ...

describe five challenes affecting markerters in 21st centuary

Brand managment, market testing tools

market testing tools

Concept and characteristics of environment, Concept of environment: enviro...

Concept of environment: environment literally means the surroundings, external objects, influences or circumstances under which someone or something exists. The environment of any

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages