This seems to work in place of 0.866cm: sqrt(3)/2*cm

Michael

On Feb 2, 2017, at 3:54 PM, Fabrice Couvreur <fabrice1.couvreur@gmail.com> wrote:

Hello,
I wanted to use sqrt(3)/2 but without success. Instead, I replaced this value with an approximate value 0.866
How should it be done ?
Thank you
Fabrice

\starttext

\startMPcode
    draw fullcircle scaled 1cm withcolor magenta ;
    draw fullcircle scaled 1cm shifted (1cm,0) withcolor magenta ;
    draw fullcircle scaled 1cm shifted (0.5cm,0.866cm) withcolor magenta ;
 \stopMPcode

\stoptext
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