(41C) Area of Triangle (SSS)

11122018, 08:28 PM
Post: #10




RE: (41C) Area of Triangle (SSS)
(11122018 02:55 PM)Albert Chan Wrote:(11102018 03:22 PM)Albert Chan Wrote: If the sides are sorted, a >= b >= c, Kahan's formula is more accurate.(11122018 01:32 AM)Albert Chan Wrote: Let y = (c  (ab))*(c + (ab)) / 4, then Area Δ = √((aby)*y)... Both the formula and the program look good. But is there a proof that the formula is (at least) as exact as Kahan's? Testing some examples does not count. ;) Dieter 

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Messages In This Thread 
(41C) Area of Triangle (SSS)  Gamo  11102018, 12:20 PM
RE: (41C) Area of Triangle (SSS)  Albert Chan  11102018, 03:22 PM
RE: (41C) Area of Triangle (SSS)  Dieter  11102018, 08:53 PM
RE: (41C) Area of Triangle (SSS)  Albert Chan  11122018, 02:55 PM
RE: (41C) Area of Triangle (SSS)  Dieter  11122018 08:28 PM
RE: (41C) Area of Triangle (SSS)  Albert Chan  11122018, 10:33 PM
RE: (41C) Area of Triangle (SSS)  Gamo  11112018, 05:04 AM
RE: (41C) Area of Triangle (SSS)  Dieter  11112018, 07:53 AM
RE: (41C) Area of Triangle (SSS)  Gamo  11112018, 12:23 PM
RE: (41C) Area of Triangle (SSS)  Dieter  11112018, 04:25 PM
RE: (41C) Area of Triangle (SSS)  Albert Chan  11122018, 01:32 AM
RE: (41C) Area of Triangle (SSS)  Albert Chan  11162018, 03:33 AM
RE: (41C) Area of Triangle (SSS)  Albert Chan  12042019, 03:03 PM

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