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What is the length of the minor arc ?

What is the length of the minor arc ?-example-1

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Answer:

15

Explanation:

minor arc = 2πr * (x / 360)

where,

circumference, 2πr = 90

angle given, x = 60°

substituting the values in the formula,

minor arc = 90 * (60 / 360)

= 15

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