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MatemáticasMatemáticas105 views·Updated Jun 27, 2026·1 page

El Teorema de Tales: Explicación Sencilla y Aplicaciones

user profile picture
Samu-Study@samuel04guarin_zwjlg

El Teorema de Tales es una herramienta matemática fundamental que...

1
of 1
# teorema de, Thales

3&m
A
Fem
B
C
D
AXE
6cm
ef
Paralelos
Vertice
Secante

-//-//-//

Se tiene
que hallar el

$
\frac{FE}{6cm} = \frac{7cm}

Teorema de Tales y Clasificación de Números

El Teorema de Tales nos dice que si dos rectas paralelas son cortadas por rectas secantes, entonces se forman segmentos proporcionales. En nuestro ejemplo, tenemos un triángulo donde necesitamos encontrar la longitud de FE.

Para resolver usando Tales, establecemos la proporción entre los segmentos correspondientes. Si tenemos que FE = x, entonces: 3cm/7cm = x/6cm

Despejando la incógnita: 7x = 18 cm² x = 2,57 cm

💡 Consejo útil: Siempre puedes verificar tu respuesta usando la proporción inversa: 7cm/3cm = 6cm/x

La segunda parte muestra la clasificación de números:

  • Números racionales: incluyen fracciones (fraccionarios) y decimales finitos o periódicos
  • Números irracionales: decimales infinitos no periódicos como π y e
  • Números reales: incluyen tanto racionales como irracionales
  • Números complejos: combinan números reales e imaginarios (i)

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Proportional Sides

3

Most popular content in Matemáticas

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user

MatemáticasMatemáticas105 views·Updated Jun 27, 2026·1 page

El Teorema de Tales: Explicación Sencilla y Aplicaciones

user profile picture
Samu-Study@samuel04guarin_zwjlg

El Teorema de Tales es una herramienta matemática fundamental que nos permite encontrar longitudes desconocidas usando proporciones. También repasaremos los diferentes tipos de números como racionales, irracionales y complejos.

1
of 1
# teorema de, Thales

3&m
A
Fem
B
C
D
AXE
6cm
ef
Paralelos
Vertice
Secante

-//-//-//

Se tiene
que hallar el

$
\frac{FE}{6cm} = \frac{7cm}

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Teorema de Tales y Clasificación de Números

El Teorema de Tales nos dice que si dos rectas paralelas son cortadas por rectas secantes, entonces se forman segmentos proporcionales. En nuestro ejemplo, tenemos un triángulo donde necesitamos encontrar la longitud de FE.

Para resolver usando Tales, establecemos la proporción entre los segmentos correspondientes. Si tenemos que FE = x, entonces: 3cm/7cm = x/6cm

Despejando la incógnita: 7x = 18 cm² x = 2,57 cm

💡 Consejo útil: Siempre puedes verificar tu respuesta usando la proporción inversa: 7cm/3cm = 6cm/x

La segunda parte muestra la clasificación de números:

  • Números racionales: incluyen fracciones (fraccionarios) y decimales finitos o periódicos
  • Números irracionales: decimales infinitos no periódicos como π y e
  • Números reales: incluyen tanto racionales como irracionales
  • Números complejos: combinan números reales e imaginarios (i)

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Proportional Sides

3

Most popular content in Matemáticas

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user