Measure of an arc of a circle is `80^@` and its radius is 18 cm. Find the length of the arc. `(pi= 3.14)`

Measure of an arc of a circle is 80 cm and its radius is 18 cm. Find the length of the arc ( pi = 3.14)

(B) Solve any four of the following subquestions : The angular measure of an arc of a circle having radius 18 cm is 80^(@) . Find the length of that arc . ( pi : 3 .14)

If measure of an arc of a circle is 160^(@) and its length is 44 cm, find the circumference of the circle.

Radius of a circle is 10 cm. Measure of an arc of the circle 54^@ . Find the area of the sector associated with the arc. (pi=3.14)

If the length of an arc of sector of a circle is 20 cm and if its radius is 7 cm, find the area of the sector.

Radius of a circle is 10 cm. Measure of an are fo the circle is 54^@ . Find the area of the sector associated with the arc. ( pi=3.14 )