Wednesday, May 21, 2014

A rope 60 cm long is made to form a rectangle. if the length is four times its breath, calculate the length and diagonal of the rectangle.

P=2%28l%2Bw%29
l=4w
60=2%284w%2Bw%29
which leads to

w=6
l=4w=24
d=sqrt%286%5E2%2B24%5E2%29=6sqrt%2817%29

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