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(41C) Area of Triangle (SSS)
11-10-2018, 03:22 PM
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RE: (41C) Area of Triangle (SSS)
(11-10-2018 12:20 PM)Gamo Wrote:  Program to calculate the "Area of Triangle" with "given 3 sides"

To find the Area this program used the Heron's formula.

If the sides are sorted, a >= b >= c, Kahan's formula is more accurate.

Area Δ = 1/4 √((b+c+a)(b-a+c)(a-b+c)(b-c+a))

Try Kahan's example:
a,b,c = 100000, 99999.99979, 0.00029
True Area Δ ~ 9.9999999895
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Messages In This Thread
(41C) Area of Triangle (SSS) - Gamo - 11-10-2018, 12:20 PM
RE: (41C) Area of Triangle (SSS) - Albert Chan - 11-10-2018 03:22 PM
RE: (41C) Area of Triangle (SSS) - Dieter - 11-10-2018, 08:53 PM
RE: (41C) Area of Triangle (SSS) - Dieter - 11-12-2018, 08:28 PM
RE: (41C) Area of Triangle (SSS) - Gamo - 11-11-2018, 05:04 AM
RE: (41C) Area of Triangle (SSS) - Dieter - 11-11-2018, 07:53 AM
RE: (41C) Area of Triangle (SSS) - Gamo - 11-11-2018, 12:23 PM
RE: (41C) Area of Triangle (SSS) - Dieter - 11-11-2018, 04:25 PM



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