Measurement
Length of circular arc (degrees)
Interactive practice questions
If the circumference of the circle is equal to $144$144 cm, find the length of the solid arc.
Easy
1min
The diagram shows a sector of a circle of radius $4$4 units, formed from an angle of size $180^\circ$180°.
Find the exact length of the arc. Do not round your answer.
Easy
2min
The diagram shows a sector of a circle of radius $4$4 units, formed from an angle of size $135^\circ$135°.
Find the length of the arc rounded to two decimal places.
Easy
2min
The diagram shows a sector of a circle of radius $6$6 units, formed from an angle of size $290^\circ$290°.
Find the exact length of the arc.
Easy
3min
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