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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 b-sides. The maximum height corresponding to the side b of any triangle (abc), given the value of its perimeter and height corresponding to the a-side. 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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