Problem: Find the length of an arc of a circle if the diameter is 24 cm and the arc measures 90°?
Solution: Find the length of the arc in which it is the product of the ratio of the angle subtended to it at 360 degrees, and the circle's circumference.
- The diameter of the circle is twice its radius, thus we can say that the circumference of the circle is the product of its diameter and pi.
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✏️ARC LENGTH
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Problem: Find the length of an arc of a circle if the diameter is 24 cm and the arc measures 90°?
Solution: Find the length of the arc in which it is the product of the ratio of the angle subtended to it at 360 degrees, and the circle's circumference.
- The diameter of the circle is twice its radius, thus we can say that the circumference of the circle is the product of its diameter and pi.
- Let 3.14 be the approximate value of pi.
- Therefore, the length of the arc is:
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