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Arc CD is One-fourth of the circumference of a circle. What is the radian measure of the central angle?

Respuesta :

sqdancefan

Answer:

  π/2

Step-by-step explanation:

There are 2π radians in a circle, so 1/4 of that is (2π)/4 = π/2 radians.

The central angle of a quarter-circle is π/2 radians.

gavarretemarco

Answer:

pi/2 radians

Step-by-step explanation: