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

The perimeter of a quadrant of a circle of radius 'r' is :

The perimeter of a quadrant of a circle of radius 'r' is :

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

What is the perimeter of a quadrant of a circle of radius 'r' ?

Find the perimeter of a quadrant of a circle of radius 'r'.

Find the perimeter of the quadrant of a circle of radius 14 cm.

Find the length of the arc of a circle of radius 5 cm subending an angle mesure 45^(@) .

Calculate the length of the arc of a circle of radius 31.0 cm which subtands and angle of (pi)/(6) at the centre.

If the length of an arc of a circle of radius r is equal to that of an arc of a circle of radius 2r, then the angle of the corresponding of the other circle. Is this statement false ? Why ?

If the length of an arc of a circle of radius a is equal to that of an arc of a circle of radius 2a, then the angle of the corresponding sector of the first circle is double the angle of the corresponding sector of the other circle. Is this statement false? Why?