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nish
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PostSubject: TRY Fri Jan 23, 2009 2:42 pm

A CONICAL TENT IS NEEDED TO ACCOMODATE 11 PEOPLE
EACH ONE MUST HAVE 4sq m on ground 20 m cube of air
find vertical height Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing
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tanu23
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PostSubject: Re: TRY Sat Jan 24, 2009 9:26 pm

hi...i dont kno whether itz rite or nt.... hope it helps.

Area of base= 11 x 4 m2

π r2 = 44
r2 = (44x 7)/22
= 14 m

Volume of tent =20x11= 220 m3
1/3 π r2 h= 220
1/3 h = ( 220 x 7 ) / (22 x 14)
h = 5 x 3
h = 15 m.
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nish
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PostSubject: Re: TRY Sun Jan 25, 2009 12:05 pm

Smile Smile Very Happy Very Happy Very Happy Very Happy u r correct Smile Smile Smile
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tanu23
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PostSubject: Re: TRY Sun Jan 25, 2009 3:34 pm

i m always rite.......
.just boasting hee hee!!!!!
thanx nyway. bounce Razz
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Complete IIT AIEEE ICSE ISC PMT help forum :: Maths :: Maths Question answer-