Length of an arc of a sector of a circle of radius r and angle `theta` is

Find the length of the arc of a sector of a circle with radius 6 cm whose angle is 60^(@) .

Prove that the area of a sector of circle with radius r and central angle theta^@ is 1/2 r^2 theta .

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

Prove that (1) the area of a sector of circle with radius r and central angle theta^(@) is (1)/(2)r^(2)theta (ii) the area of a sector of a circle of radius r and an arc of length s is (1)/(2)rs

If an arc of length l of a circle of radius r subtends an angle theta radians at the centre what is the relation connecting l , r , theta

Prove that the area of a sector of a circle of radius r and an arc of length s is 1/2 rs.

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

The length of the arc of a quadrant of a circle of radius r is

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.