Exam (elaborations)
Prueba (elaboraciones) Mathematics and science
- Course
- Institution
actividades de tales
[Show more]
Seller
Follow
mariovmad
Content preview
FICHA DE TALES Y SEMEJANZA1. Usando Tales, reglas y compás, representa la fracción 4/9.
2. La sombra de un edi cio es 15 metros. A esa misma hora, la sombra de un árbol de 5 metros
es de 3 metros. ¿Cual es la altura del edi cio?
3. Calcula el valor desconocido en la siguiente gura.
4. Calcula x e y en la siguiente gura:
5. Sabiendo que AB es 15 cm, BC 20 cm y A'B' 12 cm, halla la
longitud del segmento B'C'.
6. Sabemos que dos guras son semejantes y él área de un de ellas
es 16 centímetros cuadrados y la de la otra 9 centímetros cuadrados. ¿Cual es la razón de
semejanza?
7. Un triángulo tiene por lados 24, 32 y 40 com. En otro semejante a él, sabemos que el lado
pequeño mide 6 cm .
a) calcula la razón de semejanza
b) Halla la medida de los otros lados.
8. Calcula la medida del lado a:
9. Las cigüeñas han anidado en lo alto del
campanario, ¿a qué altura está el nido?
10. ¿Es posible que al reducir con una fotocopiadora un triángulo cuyos lados miden 9, 18 y 12
centímetros resulte un triángulo de lados 4, 8 y 12 cm?
fi fi fi fi fi
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller mariovmad. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.07. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now