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estheroliveiraas
@estheroliveiraas
March 2022
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Como calcular a area de um circulo que tem o diametro igual:
a.20cm
b.30cm
c.10cm
d.40cm
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emicosonia
Como calcular a area de um circulo que tem o diametro igual:
Area o círculo = π.r²
π = pi = 3,14
r = raio = diametro/2
A = π.r²
a.20cm
r = diamtero = 20/2
r = 10cm
A = π.r²
A = (3,14)(10)²
A = (3,14)100
A = 314 cm²
b.30cm
r = = diametro/2
r = 30/2
r = 15cm
A = π.r²
A = (3,14)(15)²
A = (3,14)225
A = 706,6 cm²
c.10cm
A = π.r²
r = diamtero/2
r = 10/2
r = 5cm
A = (3,14)(5)²
A = (3,14)25
A = 78,5 cm²
d.40cm
A =
π.r²
r = diametro/2
r = 40/2
r = 20cm
A = (3,14)(20)²
A = (3,14)400
A = 1256 cm²
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Lista de comentários
Area o círculo = π.r²
π = pi = 3,14
r = raio = diametro/2
A = π.r²
a.20cm
r = diamtero = 20/2
r = 10cm
A = π.r²
A = (3,14)(10)²
A = (3,14)100
A = 314 cm²
b.30cm
r = = diametro/2
r = 30/2
r = 15cm
A = π.r²
A = (3,14)(15)²
A = (3,14)225
A = 706,6 cm²
c.10cm
A = π.r²
r = diamtero/2
r = 10/2
r = 5cm
A = (3,14)(5)²
A = (3,14)25
A = 78,5 cm²
d.40cm
A = π.r²
r = diametro/2
r = 40/2
r = 20cm
A = (3,14)(20)²
A = (3,14)400
A = 1256 cm²