sat suite question viewer
Geometry and Trigonometry
Difficulty: Medium
The number of radians in a 720-degree angle can be written as 
, where a is a constant. What is the value of a ?
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Explanation
The correct answer is 4. There are 
radians in a 
angle. An angle measure of 
is 4 times greater than an angle measure of . Therefore, the number of radians in a angle is 
.