sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

Moderation Team
 90 chars left    advanced
Ask iit jee aieee pet cbse icse state board experts Expert Question: triangle
Forum Index -> Trignometry like the article? email it to a friend.  
Author Message
magiclko (4210)

Forum Expert Moderator

Olaaa!! Perrrfect answer. 746  bad job dude!! I dont approve of this answer! 2  [990 rates]

magiclko's Avatar

total posts: 1941    
offline Offline
ABC is an acute angle triangle of area 1 sq unit, D, E, F are the feet of perpendiculars from the centroid to AB, BC, CA, then the area of DEF can not be
 
a) 6/25
b) 1/2
c) 23/100
d) 1/4

Manasi....
NIT-Allahabad...

............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!!
    
puneet (3568)

Forum Expert Blazing goIITian

Olaaa!! Perrrfect answer. 620  bad job dude!! I dont approve of this answer! 2  [858 rates]

puneet's Avatar

total posts: 1966    
offline Offline
hiiiii
 
Well the answer is (b)
 
In a equilateral triangle with unit area ..
 
the area of the triangle DEF is 1/4 ..
 
so the area in general shud be close to 1/4 only ... it cannot be half in any case ..
 
cheers
 

Puneet Agrawal
IIT Delhi
 this reply: 0 points  (with Olaaa!! Perrrfect answer.   in 0 votes )   [?]
 
You have to be logged on to rate
  
 
Forum Index -> Trignometry
Go to:   

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya