5.1 A Pythagoras' theorem

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 2

Today

You get to know Pythagoras' theorem.

How are you today?

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00:39

What does this video try to show?
Tokens for full and correct sentences!

02:20

Why is it so important to use a right angle here?

00:39

Explain, using words, what you think Pythagoras' theorem says.

01:52

legs vs catheti

KERN calls the legs catheti (legs). I've never seen anyone use this word before.

02:03

What does a right triangle always include?

1. It points to the right.
2. A certain sense of righteousness.
3. Two right angles.
4. One right angle

04:30

Show that Pythagoras' theorem is true for a 3, 4, 5 triangle.

2VTa: we're in a bit of a hurry, so mostly ignore the above.

Homework for next class is 9,10,11,12,13

If you feel like it, you can do assignment 5 first and then discuss 1-4. Alternatively, you may start at assignment 9.

Do the things