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TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by sanjeeb panda - Friday, 19 June 2009, 02:47 PM
 

Hi Friends pls post ur TG geometry doubts !!!!!!

TG sir,Michael,Amit,Gaurav,Kamal and all my TG fundoo friends smile pls provide solution and also some concept ...........

 

Regards

sanjeeb

Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by sanjeeb panda - Friday, 19 June 2009, 02:48 PM
 

q1:

A sphere is inscribed in a cone whose radius and height are 12 and 16 units, respectively. Then, the volume of the sphere is

Choose one answer.
a. 256pi
b. 288pi
c. 216pi
d. 312pi

 

regards

sanjeeb

Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by userdce . - Friday, 19 June 2009, 03:44 PM
  b) 288pi     ?
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by nishant chawla - Saturday, 20 June 2009, 03:49 PM
 
288 pi


Just try to solve it by making 2D
i.e a circle in triangle



Solve for r & find V

Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by userdce . - Saturday, 20 June 2009, 04:10 PM
  nishant
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by sanjeeb panda - Sunday, 21 June 2009, 12:43 PM
 

Hi nishant nad user,

thanks a lot...

http://totalgadha.com/mod/quiz/attempt.php

q:6,8,9,10,11,13,15.

also this one

Consider a right circular cone of base radius 4 cm and height 10 cm. A cylinder is to be placed inside the cone with one of the flat surfaces resting on the base of the cone. Find the largest possible total surface area (in sq cm) of the cylinder.
Choose one answer.
a. 130pi/9
b. 80pi/3
c. 120pi/7
d. 100pi/3
e. 110pi/7

pls explain.I am very much week in geometry.canu guys help me out where to start for the basic prob also.

 

regards

Sanjeeb

Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by userdce . - Sunday, 21 June 2009, 01:24 PM
 

pls explain.I am very much week in geometry.canu guys help me out where to start for the basic prob also.




to sanjeeb-

you are weak in ENGLISH too            tongueouttongueouttongueout 

Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by userdce . - Sunday, 21 June 2009, 01:37 PM
  ans 100pi/3?
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by nishant chawla - Sunday, 21 June 2009, 02:23 PM
 
X=10/3
H=5/3

area =100pi/3
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by userdce . - Sunday, 21 June 2009, 06:53 PM
  kudos to Nishant for taking so much pain to draw figure and write equations

keep up the gud work
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by nishant chawla - Tuesday, 23 June 2009, 08:39 PM
  Thanks user dce!!!

Definitely we will do the best we can.
Re: TG GEOMETRY QUIZ DOUBTS ::plz provide solution
by Prateek Mishra - Tuesday, 9 February 2016, 11:03 AM
  How do get AB as 20