# Mapa Mental das Figuras Planas

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Uploaded at 2021-09-24 13:37

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UNIDADES

ÁREAS?

PRINCIPAIS ÁREAS

x 100

tamanho

km2

CUIDADO!

ÁREA É DIFERENTE DE PERÍMETRO a

ÁREA

b

PERÍMETRO 2p = a + b + c

c

CÁLCULO DIRETA

PARTIÇÃO

hm2 dam2

m2

dm2

cm2

mm2 –: 100

ÁREAS DE FIGURAS PLANAS

l

h B

A = l2

A = B •h h

h

1 • A=–b h 2 b

A = B •h l a

B

A=

+

A=

-

(B+b) . h A= 2

1 • A=–D d 2

l

h

A=

D

B

B

EXCLUSÃO

d

R

l

√3 l A= 4 2

A = πR2

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