Mathematics, 29.01.2020 02:12, fredvales19

Arc cd is 1/4 of the circumference of a circle. what is the radian measure of the central angle? π/4 radians
π/2 radians
2π radians
4π radians

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Arc cd is 1/4 of the circumference of a circle. what is the radian measure of the central angle? π/...