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Mathematics 8 Online
Allison:

Arc length

Allison:

1 attachment
AZ:

Do you remember the formula? arc length = \(\dfrac{\theta}{360}2\pi r\)

AZ:

they tell you the angle is 122 and the radius is 10 so plug it in

Allison:

122/360*2*pi*10?

AZ:

you got it!! :D

Allison:

21.29

Allison:

21.3?

AZ:

No, it says hundredth so that means 2 places after the decimal so .29 is how you keep it

Allison:

Thank you

Allison:

1 attachment
AZ:

You're welcome!

AZ:

Same formula for this one, angle is 68 and radius is 13

Allison:

68/360*2*pi*13

Allison:

15.43

AZ:

Splendid job!

Allison:

B)

Allison:

1 attachment
Allison:

112/360*2*pi*9

Allison:

17.59

AZ:

and calculate and you got it!!!

AZ:

Yer a mathemagician, Allison!

Allison:

Thanks to you

AZ:

All you

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