paralelogramos

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Áreas y perímetros de paralelogramos ÁREA PERÍMETRO

CUADRADO

A = l × l = l2 A = 3,5 × 3,5 = 12,25 cm2

P = 4 × l P = 4 × 3,5 = 14 cm

RECTÁNGULO

A = b × a A = 8 × 5 = 40 m2

P = 2 × (b + a) P = 2 × (8 + 5) = 2 × 13 = 26 m

ROMBO

A = D × d / 2 A = 4 × 3 / 2 = 12 / 2 = 6 m2

P = 4 × l P = 4 × 2,5 = 10 m

ROMBOIDE

A = b × a A = 10 × 5 = 50 hm2

P = 2 × (b + h) P = 2 × (10 + 6) = 2 × 16 = 32 hm

3,5 cm

8 m

5 m

4 m

3 m

2,5 m

10 hm

5 hm 6

hm

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