Observe the below graph to estimate the angle to the nearest one-half radian.
Given figure is :
Compare the figure with above figure,
The angle to the nearest one-half radian is 1 radian.
The nearest one-half radian is 1 radian.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/userfiles/tr-142-8.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/userfiles/tir-142-8.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")