Sector Areas and Arc Lengths

A decorative metal piece is in the shape of a circle sector $C D E$ , with centre $D\,$ and radius 7.5 cm. The angle $CDE\,$ is $40∘40^\circ$ .

Find the perimeter of the metal piece. Give your answer correct to 3 significant figures.

[3]

A decorative metal piece is in the shape of a circle sector $C D E$ , with centre $D\,$ and radius 7.5 cm. The angle $CDE\,$ is $40∘40^\circ$ .

Find the perimeter of the metal piece. Give your answer correct to 3 significant figures.

[3]

Sector Areas and Arc Lengths Questions