Point O is the center of the circle above. What fraction of the circumference of the circle is the length of the bolded arc?

Point C is the center of the circle above. What fraction of the area of the circle is the area of the shaded region?

The angle of a sector of a circle is 72^(@) and radius of the circle is 10 m. The ratio of the circumference of the circle and the length of the arc of the sector is ________.

The angle of a sector of a circle is 108^(@) and radius of the circle is 15 m. The ratio of the circumference of the circle and the length of the arc of the sector is _______

In the circle above, point A is the center and the length of arc oversetfrown(BC) is 2/5 of the circumference of the circle. What is the value of x ?

Center Q of the circle above has coordinate of (4, 3) . What is the circumference of the circle?

Points A and B lie on a circle with radius 1, and arc oversetfrown(AB) has length pi/3 . What fraction of the circumference of the circle is the length of arc oversetfrown(AB) ?

In a circle of radius 6cm, a chord of length 10cm makes an angle of 110^0 at the centre of the circle. Find: the circumference of the circle the area of the circle the length of the arc AB, the area of the sector OAB

In a circle of radius 6cm, a chord of length 10cm makes an angle of 110^(@) at the centre of the circle.Find: the circumference of the circle the area of the circle the length of the arc AB,the area of the sector OAB