Given the arc length as 22cm, the circumference of circle is 528cm.
What is circumference of circle?
The circumference of a circle is the perimeter of the circle. It is the total length of the boundary of the circle.
circumference of circle = 2πr
What is arc length?
Arc length formula is used to calculate the measure of the distance along the curved line making up the arc (a segment of a circle).
[tex]s = 2\pi r\frac{\theta}{360}[/tex]
Given -
s = 22cm
[tex]\theta[/tex] = 15°
Solution-
[tex]22 = 2\pi r *\frac{15}{360}[/tex]
2πr = 528cm
circumference = 528cm
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