12.01 Arc length and sector area
Adaptive
Worksheet
Interactive practice questions
If the radius of a circle is equal to $1.8$1.8 cm, find its circumference correct to three decimal places.
Easy
1min
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 $9$9 units, formed from an angle of size $130^\circ$130°.
Find the length of the arc rounded to two decimal places.
Easy
1min
The diagram shows a sector of a circle of radius $11.4$11.4 mm, formed from an angle of size $215^\circ$215°.
Find the length of the arc rounded to two decimal places.
Easy
1min
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