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RPEDEEEE DAU COROANAAA!!!

RPEDEEEE DAU COROANAAA class=

Răspuns :

P drept =46cm
X=3.5+y (deduci din imagine)
P drept =2 (l+L)=2 ((3.5+y)+y)=2 (3.5+2y)=7+4y
7+4y=46
4y=39
Y=39:4
Y=9.75
X=9.75+3.5=13.25