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Perimeter angle: Explanation video
This video explains what a perimeter angle is and what properties it has. An exercise is also being developed around this.
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Triangle measurement: Repetition
In this video the trigonometric numbers are reviewed and two exercises are worked out around them.
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Circle: Tangent
This video deals with the tangent to a circle.
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Circumscribed triangle: Construction
This video shows how GeoGebra can draw the circumscribed circle of a triangle.
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Circle: Names and notations
In this video the names and notations of the circle are discussed. The properties of the apothem are discussed and two exercises are worked out on it.
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Middle Parallel: Explanation Video
In this video the properties of a middle parallel are derived and some exercises are made on it.
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Subline: Property
In this video the property of a bisector in a triangle is discussed and some exercises are made on it
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Solving systems: Demonstration
In this video I make 2 exercises on 2x2 systems, one on the substitution and one on the combination method.
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Active and passive indicative futurum simplex of regular verbs
Step by step the formation (and the translation) of the active and passive indicative futurum simplex of the regular verbs are explained. Lesson video.
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Sort alphabetically in Microsoft Word
Instruction video explaining how to sort certain parts of your document alphabetically, such as works in a bibliography or items in a participant list.
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Active and passive indicative futurum simplex of irregular verbs
The formation (and translation) of the active and passive indicative futurum simplex of the irregular verbs is explained here. Lesson video.
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Active and passive indicative imperfect of the regular verbs
Step by step the formation (and translation) of the active and passive indicative imperfections of the regular verbs are explained.
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