Find the length of a circle with a radius of 5 cm. What is the length of its arc with a degree measure of 36.

univerkov | July 5, 2021 | education

To find the circumference of a circle, use the length formula.
L = 2πR = 2 * 3.14 * 5 = 31.4 (cm).
The degree measure of any circle is 360 °. We need to find the length of the arc, the degree measure of which is 36 °.
36 ° is a tenth of 360 °. Accordingly, the length of the arc will be a tenth of the length of the entire circumference.
l = 1/10 * L = 1/10 * 31.4 = 3.14 (cm).
Answer: The circumference is 31.4 cm, the length of the arc with a degree measure of 36 ° is 3.14 cm.

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