In triangle abc,angle b=90 degree, AB =x+8 BC = x+1 AC =x+15, find the sides of the triangle
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Step-by-step explanation:
It is an right angles triangle so by pyathagoras theorm
(AB)^2 + (BC)^2=(AC)^2
(x+8)^2 + (x+1)^2=(x+15)^2
x^2+64+16x+x^2+1+2x=x^2+225+30x
x^2-12x-160=0
(x+8) (x-20) =0
x=20, (-8), but sides can't be negative so we'll take x=20
AB=28, BC=21, AC=35
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