Length of an arc

In the circle shown in the figure, the length of the arc ACB is 3 times the length of the arc AB. What is the length of the line segment AB ?

Length of the arc of a quadrant of a circle of radius 'r' is

Length of arc of a sector is______

If the angle of a sector is 45^(@) and the radius of the sector is 28 cm then the length of the arc is _________.

Length of the arc of circle with radius 5 cm and angle at centre is 15^@ ...........cm.

If the angle of a sector is 30^(@) and the radius of the sector is 21 cm, then length of the arc of the sector is ______.

What is the area of the sector of a circle whose radius r and length of the arc is l.

Write the area of the sector of a circle whose radius is r and length of the arc is l .

Write the area of the sector of a circle whose radius is r and length of the arc is l .