acidbatman702 acidbatman702
  • 24-05-2021
  • Mathematics
contestada

need some help with question 20

need some help with question 20 class=

Respuesta :

Muscardinus Muscardinus
  • 29-05-2021

Answer:

l = 420 cm

Step-by-step explanation:

20.

Central angle  = 60°

The radius of circle, r = 7 cm

We need to find the length of the arc. We can find it as follows :

[tex]l=r\times \theta\\\\l=7\times 60\\\\l=420\ cm[/tex]

So, the length of the arc is equal to 420 cm.

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