<p>- &Alpha;&rho;&chi;&iota;&kappa;ά &omicron;&iota; &mu;&alpha;&theta;&eta;&tau;έ&sigmaf; &epsilon;&pi;&iota;&lambda;ύ&omicron;&upsilon;&nu; &alpha;&lambda;&gamma;&epsilon;&beta;&rho;&iota;&kappa;ά &mu;&iota;&alpha; &pi;&omicron;&lambda;&upsilon;&omega;&nu;&upsilon;&mu;&iota;&kappa;ή &epsilon;&xi;ί&sigma;&omega;&sigma;&eta; &tau;&rho;ί&tau;&omicron;&upsilon; &beta;&alpha;&theta;&mu;&omicron;ύ &kappa;&alpha;&iota; &mu;&epsilon;&tau;ά &epsilon;&pi;ί&sigma;&eta;&sigmaf; &alpha;&lambda;&gamma;&epsilon;&beta;&rho;&iota;&kappa;ά &tau;&eta;&nu; &alpha;&nu;&tau;ί&sigma;&tau;&omicron;&iota;&chi;&eta; &pi;&omicron;&lambda;&upsilon;&omega;&nu;&upsilon;&mu;&iota;&kappa;ή &alpha;&nu;ί&sigma;&omega;&sigma;&eta;.</p> <p>- &Sigma;&tau;&eta; &sigma;&upsilon;&nu;έ&chi;&epsilon;&iota;&alpha; &mu;&epsilon; &tau;&eta;&nu; &alpha;&xi;&iota;&omicron;&pi;&omicron;ί&eta;&sigma;&eta; &tau;&omicron;&upsilon; &lambda;&omicron;&gamma;&iota;&sigma;&mu;&iota;&kappa;&omicron;ύ &psi;&eta;&phi;&iota;&alpha;&kappa;ώ&nu; &alpha;&nu;&alpha;&pi;&alpha;&rho;&alpha;&sigma;&tau;ά&sigma;&epsilon;&omega;&nu; Geogebra &sigma;&upsilon;&sigma;&chi;&epsilon;&tau;ί&zeta;&omicron;&upsilon;&nu; &kappa;&alpha;&iota; &epsilon;&pi;&alpha;&lambda;&eta;&theta;&epsilon;ύ&omicron;&upsilon;&nu; &tau;&eta;&nu; &epsilon;&pi;ί&lambda;&upsilon;&sigma;&eta; &tau;&eta;&sigmaf; ί&delta;&iota;&alpha;&sigmaf; &epsilon;&xi;ί&sigma;&omega;&sigma;&eta;&sigmaf; &kappa;&iota; &alpha;&nu;ί&sigma;&omega;&sigma;&eta;&sigmaf; &gamma;&rho;&alpha;&phi;&iota;&kappa;ά. &Sigma;&upsilon;&nu;&delta;έ&epsilon;&tau;&alpha;&iota; έ&tau;&sigma;&iota; &eta; &gamma;&rho;&alpha;&phi;&iota;&kappa;ή &lambda;ύ&sigma;&eta; &tau;&eta;&sigmaf; &epsilon;&xi;ί&sigma;&omega;&sigma;&eta;&sigmaf; &mu;&epsilon; &tau;&alpha; &sigma;&eta;&mu;&epsilon;ί&alpha; &tau;&omicron;&mu;ή&sigmaf; &tau;&eta;&sigmaf; &gamma;&rho;&alpha;&phi;&iota;&kappa;ή&sigmaf; &pi;&alpha;&rho;ά&sigma;&tau;&alpha;&sigma;&eta;&sigmaf; &tau;&eta;&sigmaf; &pi;&omicron;&lambda;&upsilon;&omega;&nu;&upsilon;&mu;&iota;&kappa;ή&sigmaf; &sigma;&upsilon;&nu;ά&rho;&tau;&eta;&sigma;&eta;&sigmaf; &mu;&epsilon; &tau;&omicron;&nu; ά&xi;&omicron;&nu;&alpha; x΄x. &Epsilon;&pi;ί&sigma;&eta;&sigmaf; &eta; &epsilon;&pi;ί&lambda;&upsilon;&sigma;&eta; &tau;&omega;&nu; &pi;&omicron;&lambda;&upsilon;&omega;&nu;&upsilon;&mu;&iota;&kappa;ώ&nu; &alpha;&nu;&iota;&sigma;ώ&sigma;&epsilon;&omega;&nu; &sigma;&upsilon;&sigma;&chi;&epsilon;&tau;ί&zeta;&epsilon;&tau;&alpha;&iota; &mu;&epsilon; &tau;&alpha; &delta;&iota;&alpha;&sigma;&tau;ή&mu;&alpha;&tau;&alpha; &sigma;&tau;&alpha; &omicron;&pi;&omicron;ί&alpha; &eta; &gamma;&rho;&alpha;&phi;&iota;&kappa;ή &pi;&alpha;&rho;ά&sigma;&tau;&alpha;&sigma;&eta; &beta;&rho;ί&sigma;&kappa;&epsilon;&tau;&alpha;&iota; &pi;ά&nu;&omega; ή &kappa;ά&tau;&omega; &alpha;&pi;ό &tau;&omicron;&nu; ά&xi;&omicron;&nu;&alpha; x΄x</p> <p>- &Epsilon;&iota;&delta;&iota;&kappa;ή &mu;&epsilon;&lambda;έ&tau;&eta; &gamma;ί&nu;&epsilon;&tau;&alpha;&iota; &gamma;&iota;&alpha; &tau;&eta;&nu; &gamma;&epsilon;&omega;&mu;&epsilon;&tau;&rho;&iota;&kappa;ή &epsilon;&rho;&mu;&eta;&nu;&epsilon;ί&alpha; &tau;&omega;&nu; &delta;&iota;&pi;&lambda;ώ&nu; &rho;&iota;&zeta;ώ&nu; &mu;&iota;&alpha;&sigmaf; &pi;&omicron;&lambda;&upsilon;&omega;&nu;&upsilon;&mu;&iota;&kappa;ή&sigmaf; &epsilon;&xi;ί&sigma;&omega;&sigma;&eta;&sigmaf; &tau;&rho;ί&tau;&omicron;&upsilon; &beta;&alpha;&theta;&mu;&omicron;ύ.</p>