Sector Areas and Arc Lengths

78%

$AOB\,$ is a sector of a circle, centre $O\,$ and radius 15 cm. The angle of the sector is $72∘72^\circ$ .

Diagram of a sector AOB with center O, radii 15 cm, and central angle 72 degrees.

Find the length of the arc $A B$ . Give your answer in terms of $π\pi$ .

[2]

Sector Areas and Arc Lengths

78%

$AOB\,$ is a sector of a circle, centre $O\,$ and radius 15 cm. The angle of the sector is $72∘72^\circ$ .

Diagram of a sector AOB with center O, radii 15 cm, and central angle 72 degrees.

Find the length of the arc $A B$ . Give your answer in terms of $π\pi$ .

[2]

Sector Areas and Arc Lengths

Sector Areas and Arc Lengths Questions