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June 16, 2024, 11:57:29 pm
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Author Topic: Q's on volume and area  (Read 584 times)  Share 

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aronno

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Q's on volume and area
« on: May 07, 2009, 09:47:39 pm »
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does any one have any tricky of hard area and volume questions.
I really need to practise on them for preparation for my next SAC.
My book doesnt cotain much.
The problems invovling maximum and minimum, differentation and integration etc.

please help!!! this is URGENT!!!
 :'(
thanks in advance.
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bigtick

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Re: Q's on volume and area
« Reply #1 on: May 07, 2009, 10:10:08 pm »
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(1) Find the area of the biggest rectangle that fits inside the 3, 4, 5 triangle.

(2) Find the area of the largest square that can fit inside a regular pentagon of side 1 unit.
« Last Edit: May 07, 2009, 10:22:00 pm by bigtick »
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bigtick

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Re: Q's on volume and area
« Reply #2 on: May 09, 2009, 08:51:09 pm »
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Answers
(1) A = 1.2 x 2.5 = 3 or A = 1.5 x 2 = 3

(2) A = 1.139 approx.
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