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PirAmide
3cm
2cm
1cm
Altura: 3cm
Base grande: 2cm
Base pequeña:1cm
Apotema: 3.5 cm
3.5cm
Superficie total:
(S.triángulo x 2)+ (S.rectángulo x 2)
S.triángulo=(bxh) : 2= (3x1) : 2=1.5 cm2
S.rectángulo: 3.5x2=7cm2
S.total: (1.5cm2 x 2) + (7cm2x2)= 3+14=17cm2
Volumen=(S.base x h) : 3
S.base= 2x1 = 2cm2
Vol: (2cm2 x 3cm):2= 3cm3