Find the length of the diagonal of a rectangle whose length is $15 c m$ and breadth is $8 c m$ .

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Solution

Length $= 15 c m$
Breath $= 8 c m$
Diagonal $= \sqrt{(l e n g t h)^{2} - (b r e a t h)^{2}}$
$= \sqrt{(15)^{2} + (8)^{2}}$
$= 17 c m$

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