Скачать или смотреть 2 Geometry ( calculate radius using line from centre perpendicular to chord or midpoint of chord)

2 Geometry ( calculate radius using line from centre perpendicular to chord or midpoint of chord)
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GRADE 10, 11 and 12
videos to watch

0:00 intro
0:18 Read theorem from accepted reasons and represent it graphical
4:35 State what is given in a diagram in words
6:20 Activity State what is given in a diagram in words
9:26 Determine what each diagram is missing and add it with reasons
13::36 Example
14:00 Highlight important information
15:50 Write radius in terms of x
20:55 Use Pythagoras to find x
24:35 Calculate radius
24:58 How to approach line from centre question
27:50 Activity