The Parts of a Circle: Calculating arc length

Calculate the length of the arc marked in red given that the circumference is 6.

$\frac{5}{6}$

Calculate the length of the arc marked in red given that the circumference is 36.

2

Calculate the length of the arc marked in red given that the circumference is 12.

2

Calculate the length of the arc marked in red given that the circumference is 12.

8

Calculate the length of the arc marked in red given that the circumference is equal to 24.

$10$

Calculate the area of the section painted red given that the area of the circle is 12.

8

Calculate the length of the arc marked in red given that the circumference is 18.

13

Calculate the length of the arc marked in red given that the circumference is 6.

$\frac{5}{6}$

Calculate the length of the arc marked in red given that the area of the circle is equal to 12.

$8$

Calculate the length of the arc marked in red given that the area of the circle is 24.

$10$