Răspuns :
a,b,c,d-masurile unghiurilor
a,b,c,d, dp cu 2,3,7,8
a/2=b/3=c/7=d/8=k
a=2k
b=3k
c=7k
d=8k
2k+3k+7k+8k=360
20k=360
k=18
a=2*18=36
b=3*18=54
c=7*18=126
d=8*18=144
a,b,c,d, dp cu 2,3,7,8
a/2=b/3=c/7=d/8=k
a=2k
b=3k
c=7k
d=8k
2k+3k+7k+8k=360
20k=360
k=18
a=2*18=36
b=3*18=54
c=7*18=126
d=8*18=144
[tex] \frac{a}{2} = \frac{b}{3} = \frac{c}{7} = \frac{d}{8} = k \\ a=2k \\ b=3k \\ c= 7k \\ d=8k \\ 360=2k+3k+7k+8k \\ 360=20k \\ k=18 \\ a=36 , b=54, c=126 ,d=144[/tex]