SOLUTION: the lengths of the sides of a triangle are Xcm , (X+10)cm and(2X-5)cm.Determine the minimum value of X , if the perimeter of the triangle is greater than 85cm.

Question 421119: the lengths of the sides of a triangle are Xcm , (X+10)cm and(2X-5)cm.Determine the minimum value of X , if the perimeter of the triangle is greater than 85cm.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the lengths of the sides of a triangle are Xcm , (X+10)cm and(2X-5)cm.Determine the minimum value of X , if the perimeter of the triangle is greater than 85cm.
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Solve:
x + x+10 + 2x-5 > 85
4x + 5 > 85
4x > 80
x > 20
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Cheers,
Stan H.
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