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OtrosOtros908 views·Updated Jun 26, 2026·1 page

Conceptos de Tangencias - Dibujo Técnico Bachillerato

E
Eva de la Torre@evaadelatorre

Las tangencias son uno de los conceptos más importantes del...

1
of 1
T.5 tangenaas.

rectas tan a o desde Pext

$T_2$

O tan a r en T

rectas tan a 2.0 de =

1) wir Oy P

1)te en T

1) whire

2) madiahje

2) u

Construcciones de Tangencias Básicas

¿Alguna vez te has preguntado cómo los ingenieros crean esas curvas perfectas en los diseños? Todo empieza dominando las rectas tangentes y las circunferencias tangentes.

Para trazar rectas tangentes a una circunferencia desde un punto exterior P, el proceso es súper directo. Unes el centro O con el punto P, trazas la mediatriz, y desde ahí obtienes los puntos de tangencia T₁ y T₂. Finalmente, solo tienes que unir P con estos puntos y ¡listo!

Cuando necesites circunferencias tangentes entre sí, la clave está en calcular correctamente los radios. Si las circunferencias son tangentes exteriormente (se tocan por fuera), sumas los radios: R₁ = Rc + R₂. Para tangencias interiores (una dentro de otra), restas: R₁ = Rc - R₂.

Truco clave: Siempre localiza primero el centro de la circunferencia tangente antes de trazarla. Esto te ahorrará errores y tiempo en los exámenes.

Los casos más complejos implican tangencias mixtas donde combinas tangencias exteriores e interiores en el mismo ejercicio. Aquí debes aplicar tanto la suma como la resta de radios según corresponda a cada parte del problema.

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: dibujo técnico

9

Most popular content in Otros

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
OtrosOtros908 views·Updated Jun 26, 2026·1 page

Conceptos de Tangencias - Dibujo Técnico Bachillerato

E
Eva de la Torre@evaadelatorre

Las tangencias son uno de los conceptos más importantes del dibujo técnico que necesitarás dominar. Básicamente, se trata de crear líneas y círculos que se tocan en un punto exacto sin cortarse, algo que verás constantemente en diseños industriales y...

1
of 1
T.5 tangenaas.

rectas tan a o desde Pext

$T_2$

O tan a r en T

rectas tan a 2.0 de =

1) wir Oy P

1)te en T

1) whire

2) madiahje

2) u

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Construcciones de Tangencias Básicas

¿Alguna vez te has preguntado cómo los ingenieros crean esas curvas perfectas en los diseños? Todo empieza dominando las rectas tangentes y las circunferencias tangentes.

Para trazar rectas tangentes a una circunferencia desde un punto exterior P, el proceso es súper directo. Unes el centro O con el punto P, trazas la mediatriz, y desde ahí obtienes los puntos de tangencia T₁ y T₂. Finalmente, solo tienes que unir P con estos puntos y ¡listo!

Cuando necesites circunferencias tangentes entre sí, la clave está en calcular correctamente los radios. Si las circunferencias son tangentes exteriormente (se tocan por fuera), sumas los radios: R₁ = Rc + R₂. Para tangencias interiores (una dentro de otra), restas: R₁ = Rc - R₂.

Truco clave: Siempre localiza primero el centro de la circunferencia tangente antes de trazarla. Esto te ahorrará errores y tiempo en los exámenes.

Los casos más complejos implican tangencias mixtas donde combinas tangencias exteriores e interiores en el mismo ejercicio. Aquí debes aplicar tanto la suma como la resta de radios según corresponda a cada parte del problema.

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: dibujo técnico

9

Most popular content in Otros

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