If the circumference of the circle is equal to $144$144 cm, find the length of the solid arc.
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.
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.
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.
Extend the concept of similarity to determine arc lengths and areas of sectors of circles.
Identify, determine, and/or use the arcs, semicircles, sectors, and/or angles of a circle.
Find the area of a sector of a circle.