The length of a rectangle is 1 less than twice its width. a diagonal drawn in the rectangle measures 15. find the length of the rectangle.: *
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let b= x
l= x-1
diagonal = 15
acc to Pythagorean theorem
(15)^2=( x-1)^2. + X^2
225= x^2 +1 -2x + x^2
224 = 2(x^2. -x)
112= x^2. -x.
l= x-1
diagonal = 15
acc to Pythagorean theorem
(15)^2=( x-1)^2. + X^2
225= x^2 +1 -2x + x^2
224 = 2(x^2. -x)
112= x^2. -x.
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