5. Pythagoras' Theorem and Measurement
Interactive practice questions
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 $8.6$8.6 m, formed from an angle of size $50^\circ$50°.
Find the length of the arc rounded to two decimal places.
Easy
1min
The diagram shows a sector of a circle of radius $14.2$14.2 mm, formed from an angle of size $235^\circ$235°.
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 length of the arc, rounded to two decimal places.
Easy
1min
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