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

Ghost shopper, Ghost Shopper Ghost shopper is a marketing expert, posin...

Ghost Shopper Ghost shopper is a marketing expert, posing as a regular consumer, who is hired to monitor and evaluate the presentation skills and salesmanship of the store's sa

Explain the term- advertising, Advertising Advertising is a non-person...

Advertising Advertising is a non-personal form of mass communication which offers a high degree of control to those responsible for the design and delivery of advertising mess

SHOPPERS STOP, DRAW THE TYPICAL PROFILES OF SHOPPERS STOP CUSTOMER SEGMENT

DRAW THE TYPICAL PROFILES OF SHOPPERS STOP CUSTOMER SEGMENT

Definition, what do you understand by marketing management? explain its imp...

what do you understand by marketing management? explain its importance in modern business world

How is solution to customer in personal selling provided, How is solution t...

How is solution to customer in personal selling process provided? Providing solutions to customer: After the presentation when any queries exist, in that case sales execu

Describe about advertising, Q. Describe about advertising? Meaning :-...

Q. Describe about advertising? Meaning :- It is derived as of the Latin word 'adverto' OR we can utter turn the customer towards the products. Definition: - As-per

Value, what is modern and traditional value delivery approach???

what is modern and traditional value delivery approach???

Feedback from customers for better customer satisfaction, Question 1: (...

Question 1: (a) CRM means different things to different people. For one it is direct mailing for others it is an IT system. Draw a diagram and discuss the basic model for CR

Cnc programming and process planning, Plastics processing (a) In injec...

Plastics processing (a) In injection molding, shrinkage is defined by the difference in size of the molded part (at room temperature) and the size of the mold cavity. The moldi

Task of management team responsible for marketing, Task of management team ...

Task of management team responsible for marketing communications Main task facing the management team responsible for marketing communications is to decide following: 1. w

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages