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

Positioning error, under positioning

under positioning

Distinct stages in product life cycle, Q. Described the distinct stages in...

Q. Described the distinct stages in PLC? Ans.: A product passes throughout distinct stages during its life and it is called product life cycle. The PLC is usually presented a

Marketing, Read the journal article Lafferty, B. A., & Hult, G. T. M. (2001...

Read the journal article Lafferty, B. A., & Hult, G. T. M. (2001) ‘A synthesis of contemporary market orientation perspectives’, European Journal of Marketing, 35 (1/2), pp. 92–109

How is marketing an indispensable activity, How is marketing for any organi...

How is marketing for any organization an indispensable activity? “Marketing is an indispensable activity for any organization”. Well I am agreeing with the declaration, because

Marketing plan , Your first assignment is to create a brand name, perform a...

Your first assignment is to create a brand name, perform a name search online and create a relevant logo that reinforces the brand. The university liked the idea of “engaged and

Disadvantages of the direct marketing, Disadvantages of the direct marketin...

Disadvantages of the direct marketing: May be seen as competing with existing intermedaies: may upset marketing intermediaries as sales through the direct marketing may be ta

Sales. Energy drinks, demonstrate your understanding of the principles of m...

demonstrate your understanding of the principles of marketing by illustrating the motivation behind energy drink consumers

Order issued by mrtp commission regarding unfair trade, Q. Order Issued by ...

Q. Order Issued by MRTP Commission Regarding Unfair Trade? Subsequent to making inquiry into unfair trade practices if commission finds that these trade practices are deceptive

Role , role of marketing an organization and society

role of marketing an organization and society

What are the needs for retention, What are the needs for retention? Ne...

What are the needs for retention? Need for Retention: There are several interesting facts upon the basis of past researches about getting a customer and retaining him.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages