Find the length of the arc given in the diagram (1dp).

Find the arc length (2dp)

Find the arc length if the sector has a radius of \(4.7\)cm and encloses an angle of \(21^\circ\) (to 1 d.p)

Find the perimeter of the given diagram (1dp)

Find the are length it a sector has a radius of \(21 \mathrm{~cm}\) and encloses in angle of \(60^{\circ}\). Take \(\pi=\dfrac{22}{7}\) and give the exact length.

Find the arc length if a sector has a radius of \(6.4 \mathrm{~mm}\) and encloses an angle of \(104^{\circ}\) (to 1d.p.)

Find the arc length if a sector has a radius of \(10.9 \mathrm{~cm}\) and encloses an angle of \(204^{\circ}\). (to (d.p.)

Find the arc length it a sector has a radius of \(7 \mathrm{~cm}\) and encloses an angle of \(90^{\circ}\).
Take \(\pi=\dfrac{22}{7}\) and give the exact length.

Find the are length if a sector has a radius of \(11.5 \mathrm{~cm}\) and encloses an angle of \(22.5^{\circ}\). (to 1 d.p.)