The given side lengths are
Apply Pythagorean theorem:
(Substitute )
(Evaluate powers: )
(Add: )
The equality is true, a right traingle.
The traingle with the given side lengths is a right traingle.
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(Substitute ![\"a](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=2eedbe9fe52dec1ccec42d7ffe795cdf.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
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(Evaluate powers: ![\"11](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=2943f774444ab92877d21b3cdf3304f3.png\")
)![\"3721](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=bebd0de10bff6990dfbf5df62ac70d44.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cc5e15f734820f76433d71bd0afc6842.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")