in triangle ABC;angle A=90 degrees, side AB = x cm, AC = (x+5) cm and area = 150 cm2. find the sides of the triangle
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Step-by-step explanation:
1/2*(x+5)*x=150
x^2+5x-300=0
x^2+20x-15x-300=0
x(x+20)-15(x+20)=0
(x-15)(x+20)=0
x=15
AB=15cm
AC=20cm
BC=√225+400=√625
BC=25cm
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