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Arii si perimetre

Aria si perimetrul triunghiului, paralelogramului, dreptunghiului, patratului, rombului, trapezului
by Kiss Mihai Andrei on 23 November 2012

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Transcript of Arii si perimetre

ARII ŞI PERIMETRE CUM DEFINIM ARIA ŞI PERIMETRUL?
Aria este măsura suprafeţelor poligoanelor.
Perimetrul este suma lungimilor laturilor poligoanelor. Aria şi perimetrul
triunghiului D A B C b h A∆ =(b•h)/2 P∆ =AB+AC+BC c Aria şi perimetrul
paralelogramului b D A B C h A=b*h P=AB+BC+CD+AD E Aria şi perimetrul
dreptunghiului l L A=L*l
P=2*(L+l) Aria şi perimetrul
pătratului l l A=l*l
P=4*l Aria şi perimetrul
rombului d1 d2 A=(d1*d2):2
P=4*l l l Aria şi perimetrul
trapezului b B h A B C D A=(b+B)*h/2 P=AB+BC+CD+AD
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