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01-04-2019
Mathematics

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a circle has a circumference of 20. It has an arc length of 4, what is the central angle of the arc in degrees?

a circle has a circumference of 20 It has an arc length of 4 what is the central angle of the arc in degrees class=

Respuesta :

laurellee27 laurellee27

01-04-2019

Answer:

Angle = 72°

Step-by-step explanation:

To find the length of an arc,

Angle/360 * circumference

Length = 4

Angle = ?

circumference = 20

Angle/360 * 20 = 4

Rearrange to find the Angle.

Angle/360 = 4 / 20 = 0.2

Angle = 360 * 0.2

Angle = 72°

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katie1ashby katie1ashby

24-03-2021

Answer:

It’s correct

Step-by-step explanation:

Thanks

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