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![[Post New]](/templates/default/images/icon_minipost_new.gif) 25 Aug 2008 17:59:19 IST
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plzz xplain d satement
the diagonal of a rectangle produces by itself the same area as produced by its both sides(i .e l and b)
from ncert 10
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25 Aug 2008 18:15:57 IST
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After thinking a lot, the only sense of this 'clever' English I could make out was that, area made by the sides of the rectangle... that is a square of side l and a square of side b have areas l^@ and b^2 respectively.
Now the diagonal of the rectangle is root (l^2 + b^2) , and if you consider a square with side equal to this diagonal, then its area will be the square of it, which is l^2 + b^2 itself.. and is equal to the sum of the areas of the squares that can be made by the length and breadth of the rectangle.
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- Gaurav Ragtah (spideyunlimited)
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26 Aug 2008 18:21:46 IST
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It is nothing but the same as Pythagoras theorem.
Instead of right angled triangle it is interpreted in form of rectangle and was given much before by d Indian mathematician BAUDHAYAN
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