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2014-08-17T17:29:13+03:00
A,b,c,d,e -masurile unghiurilor

a,b,c,d,e    ip cu 2,3,4,6,12

2a=3b=4c=6d=12e=k

a=k/2
b=k/3
c=k/4
d=k/6
e=k/12

k/2+k/3+k/4+k/6+k/12=360   aducem la acelasi numitor

6k+4k+3k+2k +k =4320

16k=4320

k=270

a=270/2=135°
b=270/3=90°
c=270/4=67° 2'
d=270/6=45°
e=270/12=22° 6'
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