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Small challenge
06-09-2017, 07:08 AM
Post: #14
RE: Small challenge
Hello,

I also tried to complete the drawing of the equilateral triangle with the surface below the arc (transforming the equilateral triangle into a pie slice).

It's then good to know that:
Arc length=r*2*arcsin(a/2)
Arc height=r*(1-sqrt(4-a^2)/2)

Arc angle span=Arc lengh/r=2*arcsin(a/2)
Arc starting angle (at C)=t+arcsin(a/2)
Arc ending angle (at D)=t-arcsin(a/2)

Thanks to all !
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Messages In This Thread
Small challenge - Pekis - 06-06-2017, 08:05 AM
RE: Small challenge - pier4r - 06-06-2017, 01:26 PM
RE: Small challenge - Pekis - 06-07-2017, 09:53 AM
RE: Small challenge - PedroLeiva - 06-07-2017, 11:35 AM
RE: Small challenge - Pekis - 06-07-2017, 03:49 PM
RE: Small challenge - PedroLeiva - 06-08-2017, 12:59 PM
RE: Small challenge - Jim Horn - 06-07-2017, 04:25 PM
RE: Small challenge - Pekis - 06-07-2017, 04:31 PM
RE: Small challenge - SlideRule - 06-07-2017, 08:42 PM
RE: Small challenge - Pekis - 06-07-2017, 09:54 PM
RE: Small challenge - SlideRule - 06-07-2017, 10:53 PM
RE: Small challenge - Pekis - 06-08-2017, 05:10 AM
RE: Small challenge - SlideRule - 06-08-2017, 12:12 PM
RE: Small challenge - Vtile - 06-09-2017, 01:14 PM
RE: Small challenge - Csaba Tizedes - 06-11-2017, 10:59 AM
RE: Small challenge - Pekis - 06-09-2017 07:08 AM
RE: Small challenge - Pekis - 06-11-2017, 09:58 PM



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