jueves, 16 de mayo de 2013

[3 ACTS] Faro Camarinal / Camarinal Lighthouse


What can you see in the following picture? Name three thing in the picture.

Can you think of any mathematical question related to the picture?

  • This lighthouse is located in Zahara de los Atunes (Cádiz). Let us calculate its height. Is the picture above a good one? Why/why not? What do we need? 

  •  We need some reference in order to calculate the height of the lighthouse. Is the picture above a good one? Why/why not?

  • We need the reference to be located at the same plane than the lighthouse, otherwise it would be distorted... Can you calculate the height of the lighthouse now?
  • Write a guess that you think is too low. Write a guess too high. Write an accurate guess.
  • What data do you need?

The teacher is 183 cm tall.

Pictures: 1; 2; 3; 4; 5.

  • Did we get an accurate answer? Why/why not?
  • How should the picture be taken in order to have a more accurate result? (Thales theorem!)
  • Bone Collector by Dan Meyer.

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