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June 6th, 2015, 01:11 AM  #1 
Newbie Joined: Jun 2015 From: Madrid Posts: 5 Thanks: 0  The minimum perimeter and maximum height of a triangle under constraints
I'm developer TrianCal (online triangle calculator). I do not get the following formulas : The minimum perimeter of any triangle (abc), given the heights corresponding to the a and bsides. The maximum height corresponding to the side b of any triangle (abc), given the value of its perimeter and height corresponding to the aside. Jesus please send me a email to: jsdcorreo@gmail.com subject: Triancal (Calculadora de triangulos online) 
June 6th, 2015, 06:49 AM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,635 Thanks: 2620 Math Focus: Mainly analysis and algebra 
Perimeter $P \lt 2(a+b)$ since the angle between the given sides is less than $\pi$ radians. You can rearrange this for the other formula. 
June 24th, 2015, 04:29 PM  #3 
Newbie Joined: Jun 2015 From: Madrid Posts: 5 Thanks: 0 
i have only height no sides

June 24th, 2015, 05:59 PM  #4 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,635 Thanks: 2620 Math Focus: Mainly analysis and algebra 
Well, since the base of the triangle could be anything between zero and "infinity", the perimeter is going to be between twice the height and "infinity".


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constraints, height, maximum, minimum, perimeter, triangle 
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