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

User Slayernoah
by
3.7k points

2 Answers

4 votes

Answer:

pi/2 radians

Explanation:

User Imrane
by
3.0k points
5 votes

Answer:

π/2

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.

User Somendra Joshi
by
3.2k points
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