Area of triangle.......... : PS Archive
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# Area of triangle..........

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03 May 2009, 19:59
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04 May 2009, 14:55
The area of a triangle is S = 1/2 * h * a.

Let's a = center, vertex 1 = 1
Now, we can move vertex 2 along a circle and find that h is maximum only if vertex 2 - center - vertex 1 angle is a right angle. So, S = 1/2 * 1 * 1 = 1/2
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06 May 2009, 00:37
triangle inscribed in a semicircle will be a right triangle, in this case a right isoceles a=s^2/2. s= radius of circle so s^2/2= 1/2
Re: Area of triangle..........   [#permalink] 06 May 2009, 00:37
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