a dining table in the shape of a rectangle ABCD has sides of length (2X+12)and x cm and the length of the diagonal BD is (2x+18)find the value of x

2 answers

we know that

(2x+12)^2 + x^2 = (2x+18)^2
expand all that and solve the quadratic, and you get

x = 30

check: 30^2 + 72^2 = 78^2
That's just 6 times a 5-12-13 triangle
The is useless becoz u r nit telling properly that whats the answer
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