[i]Dibuja una circunferencia c cuyo centro llamamos O y sea A un punto de la circunferencia. Traza la recta tangente a la circunferencia por el punto A.[/i][br][i]¿Qué propiedad cumple la recta tangente?[/i][br][br]Comenzamos dibujando una circunferencia utilizando la herramienta [b]Circunferencia (centro, punto)[/b].[br]Cambiamos el nombre al centro para llamarlo O.[br][br][img width=169,height=144]data:image/png;base64,/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAoHBwgHBgoICAgLCgoLDhgQDg0NDh0VFhEYIx8lJCIfIiEmKzcvJik0KSEiMEExNDk7Pj4+JS5ESUM8SDc9Pjv/2wBDAQoLCw4NDhwQEBw7KCIoOzs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozv/wAARCACQAKkDASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD2aiiigAooooAKKKKACkJwMnpWfd6ttnNnYQm8ux95VbCRe7t2+nJ9qhGiPe4fWbk3Z6/Z0ykC/wDAerf8CJ+goAkk8QWIkMVqZL6VTgpaIZMfVh8o/E003WuT58jTbe2HZrm4yf8AvlAf51pRRRwRrHDGsaKMBUUAD8KfQBlCDXnGWv7KE+iWrP8AzcUC010c/wBrWrexsiP/AGpWrRQBlFvEERz5en3IHYM8RP6MKT+23th/xMdNurUd5FXzox+KZI/ECtaigCG1vLa9hE1rcRzxn+KNgwqas+60WzuZTcIrW1z/AM/Fudj/AI44b6HNV/tt/pXGpqLq1H/L5CmCg/6aIP5rx7CgDYopkUsc0ayxOsiOMqynII9jT6ACiiigAooooAKKKKAM/XL2TTtInuomVXTbhnUsFywBOB14PSqmk6pLdX5tjdx3ieWXLrbtCUOQAMMTnPPTpj3rQ1OyOoWElssvlMxUq+3dtIYEcd+lR21hcrdrdXt4LiREKRhIvLVQSCeMnJ4HeumEqapNPfX9LdP1XzJ1uX6xZLu41qd7bTpWhs42KzXi9XI6pH/Vu3Qc9HX7y6tdtpVtI0cEePtsyHBAPSNT6kdT2HuRWpDDFbQpDBGscUahURRgKB2FcxQy0s7ewt1t7WJY417Due5J7n3NT0UUAFFFFABRRRQAUUUUAFFFFAGPPYz6XI95pKb42O6axzhX9WT+63t0Psea0LK9t9QtVubZ90bccjBUjqCOxHcVYrGv4H0q6bV7NC0bf8fsCj76/wDPRR/eUfmOOoFAGzRTIpY54klicPG6hlZTkEHoRT6ACiiigAooooAK8l+LPi3X9I12207TbqWyt/IEvmRDBkYkgjPoMDj3r1qucuNI0/xTqtxJqdpFd2lifIgWQZHmcGRv/QV/A11YStTo1lOpDmS6EyTasin8MNSvNU8HRz30eJlmdTKRzN0O8+5JIP0rr6it7eG0gS3t4kiijGFRBgAfSpawqSUpuUVZN7dvIa2CiiioGFFFFABRRRQAUUUUAFFFFABRRRQBj2X/ABKdVbTDxa3O6W0/2D1eP/2YexI7VsVna5aS3Wms1sP9Kt2E9uf9teQPxGV+hNWrK6jvrKG7i+5Mgdc9gRQBPRRRQAUUUUAV7+6Wx0+4u2GRDGz49cDOKh0a0ay0m3hk5l27pT6u3LH8yar+Iv3ljBa44ubqGI/TcCf0BrWoAKKKKACiiigAooooAKZJJHDG0krqiKMszHAA+tPrK1vYr2MtyAbOOfM+4ZUfKdpPsGxV0480rCZowXENzEJbeaOaM9HjYMD+IqSsjTHgn1e8nsSjWjRoGeP7jygtkg9D8u0EitenUhySsCCiiisxhRRRQAVlaKfImv8ATjwLa4LRj/Yf5x+pYfhWrWUf3PisY4FzZHPuY34/SQ/lQBq0UUUAFFFFAGXq3zahpCHo12T+UUh/pWpWXq3y32kS9luyD/wKJ1/rWpQAUUUUAFFFFABRRRQBj+KvEUPhbQJ9VmiabyyFSNTjexOAM9q5nwN8TV8Wam+mXlgtpcFC8RRy6uB1ByODXW69odn4i0ibTL9WMMoHKnDKQcgj3BrA8IfDnTvCV294lzJd3LAqjuoXYD7Dv71205YX6tNTT9p07EvmvpsdeAFGAAB6ClooriKCiiigAooooAKyb87fEWkkfxCdT/3yD/Stasm/G/xHpQHVFnc/TaB/WgDWooooAKKKKAMrxF+701LrBP2W4imOPQOM/oTWrUN3bJeWc1rJ9yaNo2+hGKq6HdPdaTC03+vjBim/30O1v1GfxoA0KKKKACiiigAooooAKKKKACiiigAooooAKKKKACspf3/itiORa2YU/wC9I+f5Rj861aydCHni81LOftk5ZD/0zX5F/PaT+NAGtRRRQAUUUUAFZMZGna/JEeIdRHmJ6CVRhh+KgH/gJrWqnqdj/aFmYlfy5VIkhkx/q3HKn/PbNAFyiqemX3262JkTyriJvLniz9xx1H07g9wRVygAooooAKKKKACiiigAooooAKKKKACiikZlRSzMFVRkknAAoAzdduJEshaWzbbq9byIj3XP3m/4CuT+Aq9bwR2ttFbwrtjiQIg9ABgVm6WralevrMqkRlTHZKR0j7v9WIH4AeprXoAKKKKACiiigAooooAy9RtZ7e5Gq6em+dV2zwA4+0IO3+8OcH6jvxcsr231C1S5tpN8b/gQe4I7EdCKsVk3enXFtdPqOk7RM/M9sxxHce+f4X/2u/f2ANaiqen6nb6grKm6KePiW3lGJIz7j09xwauUAFFFFABRRRQAUUUUAFFFMlmjgiaWaRY40GWdzgAe5oAfWJM//CQ3DWkJP9mQti4lHS4Yf8s1PdQfvH8PWhnufEGUh8y10w/el5WS5HovdV/2up7Y61rwQRW0CQQRrHFGoVEUYCj0oAeAAAAMAdAKWiigAooooAKKKKACiiigAooooApX+lW2oFJJA8U8f+ruIm2yJ9D6exyPaqn2rWNN4u7b+0oB/wAt7YBZQP8Aaj7/APAT+FbFFAFKz1ewvztt7lDIOsTfK4+qnkflV2q15p1lqChbu1inA6F0BI+h6iqQ0BIf+PPUL+1A6Ks+9R+DhhQBrUVlGw1hf9XrYYf9NbRWP/jpWj7Frh+9rMAH+zZYP6uaANWo57iG2jMk80cSDq0jBQPxNZx0i8mGLnW7xh/dhCRD8wuf1p8GgaZBKJjbCaYdJbhjKw9wWJx+FAER1xrslNIs5Lw9POb93CP+BHr/AMBBpYtGe5lW41icXkqHckKrtgjPsv8AEfds+2K1aWgAooooAKKKKACiiigD/9k=[/img][br]Creamos un nuevo punto en la circunferencia que será A. Es conveniente no utilizar el punto B ya que este punto es el que fija el radio.[br][img width=188,height=171]data:image/png;base64,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[/img][br]La recta tangente a una circunferencia por un punto de ella cumple la propiedad de ser perpendicular al radio, por lo que dibujamos el radio OA con ayuda de la herramienta [b]Segmento[/b].[br][img width=185,height=170]data:image/png;base64,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[/img][br]Ya solo nos queda trazar la recta perpendicular al segmento OA por el punto A que obtendremos con la herramienta [b]Recta perpendicular[/b][url=https://wiki.geogebra.org/es/Herramienta_de_Perpendicular][img width=24,height=24]data:image/png;base64,R0lGODlhGAAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAAAAAAYABgAhAAAAAAAABkAABsAABoAAB0AAAwAOQAAMwAAPB8APwoANwAAUAAAWQAAxwAA0QAA/gAA/yIAACYAADMALUoAAIoAAMcAAP8AAO4AAAECAwECAwECAwECAwECAwECAwECAwVIICCO40WeaAqYauu+cKyysmrUafMsOHk4EEaPhEgMT7SjKKlsLp1PqGowiNEEAELPQsniCoBqpSfQkpgpbbW3fqGHb1y8Fg8BADs=[/img][/url].

En GeoGebra hay otra forma de obtener la recta tangente ya que disponemos de una herramienta que la dibuja. Esta herramienta es [b]Tangentes[/b][url=https://wiki.geogebra.org/es/Herramienta_de_Tangentes][img width=24,height=24]data:image/png;base64,R0lGODlhGAAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAAAAAAYABgAhAAAAAAAAAsAAAMAAAAADAAAOB8AMQIANQkAUgAAUwQAbwMAmwEAqwAA2QAA/yQAAF0AAFgAFnwAAIsAALUAAKoAAKoACr0AANEAAN8AAMgABP8AAO4AAO8AAPEAAAECAwVSICCOJLmVaKqubOuK56vGcl3HQW6LVBrInF2JJhwNVr8Wpjg6JX0sYlEKfT1JTypVF3hMAJswigoGZMqqgsIAA4tfDMcCLTtdEI0EE6DZ+/8iIQA7[/img][/url] que encontramos en el mismo bloque en el que hemos[br]seleccionado la herramienta [b]Recta perpendicular[/b].[br][br][img width=161,height=242]data:image/png;base64,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[/img][br][br]Para obtener la recta tangente a la circunferencia por el punto A, seleccionamos la herramienta [b]Tangentes[/b], pulsamos sobre la circunferencia y a continuación sobre el punto A.