LISTENING EXERCISE: Complete these sentences using the video “Pythagorean Theorem, where does it come from?” (https://www.youtube.com/watch?v=1tuxsOIcUws)

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. The of the areas of the two shapes is always to the area of the shape
2. The area of a square is squared
3. The Pythagorean Theorem will always hold true as long as we always maintain a triangle
4. The angles of the triangle always add up to
5. In every right triangle the sum of the two smaller angles is always degrees
6. In every shape the determines the length of the