kayyjayy4136 kayyjayy4136
  • 27-03-2021
  • Mathematics
contestada

Qual é o comprimento do arco correspondente a um ângulo ao centro de 45 graus, numa circunferência de raio 3 cm ?

Respuesta :

adefunkeadewole adefunkeadewole
  • 28-03-2021

Answer:

2.4 m

Step-by-step explanation:

A fórmula para o comprimento do arco é dada como:

Comprimento do arco = 2πr (θ / 360)

Onde r = raio = 3cm

θ = Ângulo em graus = 45 °

Comprimento do arco = 2 × π × 3 (45/360)

Comprimento do arco = 2.356194m

Aproximadamente = 2.4 m

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