![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The number is, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dbc9888739a5353287450946f7fb04e1.png\")
. Radicand is 11.
The square root of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=19f89f4d5fbd6350eba495c917813f32.png\")
is not a perfect square and the decimal (![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d7e0f3aa6d6845741e3249c6adc237b4.png\")
) of the number is not repeating, so the number is an irrational number (I).
§ Observe the Venn diagram:
\§ All irrational numbers (I) are real numbers (R).
\![\"\"](\"/userfiles/image/Library/Algebra%202/number%20chart_Alg2_pa14_p1.gif\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The number ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dbc9888739a5353287450946f7fb04e1.png\")
belongs to I, and R.