2TTO §6.3 Applying the theorem (part 1 and part 2)

§6.3 Applying the theorem
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§6.3 Applying the theorem

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To calculate lengths we need
2 basic things:
a. a SKETCH and  
b. a SCHEME

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So, in §6.3 ....
You are not given the right-angled triangles any more,
but you can easily:

+  make your own sketch of a right-angled triangle and
+  make the corresponding scheme, and finally
+  calculate the missing length !

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Let's do exercise 16a together now!
Open your Notebook and make a 
+  SKETCH and a       
+  SCHEME, followed by calculating the distance.

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Homework time.
Do: §6.3 ex 15,16, 17 and 19.

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6.3 part 2

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Exercise 18

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A few tips for a few exercises!

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What could the Sketch for 20 look like?

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Like this:

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Now 22, with a few difficult words:



1. What is a 'cylindrical barrel'?
2. What is the 'diameter' of a circle?

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answer 1. Here are 2 cylindrical barrels:

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answer 2: the diameter of a circle:

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When doing 22...

Think back of this information,
making a good 
+  SKETCH and 
+  SCHEME, to
+  calculate the answer!

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Questions?

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Homework time again.
Good luck rounding off §6.3!

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