Videos from @SparksMaths

Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the facts that the two tangents from a point to a circle are the same length, and tangents meet radii at right angles. ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Tangents to circles - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that the angle from a chord to a tangent is equal to the angle off that chord in the alternate (other) segment. ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Alternate Segment Theorem - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that opposite angles in a cyclic quadrilateral always add up to 180°. ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Cyclic Quadrilaterals - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that a perpendicular bisector of a chord in a circle will always pass through the centre of the circle (and conversely, a line through the centre of a circle perpendicular to a chord will bisect it). ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Chord Bisectors - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that the angle in a semicircle is always 90°. ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Angle in a semicircle - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that the angle off chord at the centre is always twice the angle off that chord to the edge. ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Angles at the centre - dynamic Circle Theorems in under 1 min #shorts #geogebra
Making an interactive and moving demonstration of circle theorems helps reinforce what the situation is. You can do it very quickly and easily in GeoGebra. This one is for the fact that the angle off a chord anywhere in the segment is the same (this is a good starting point for proving many other circle theorems). ALL CIRCLE THEOREMS LIVE HERE: https://www.geogebra.org/m/xkvz2EfF
GeoGebra: Angles in the same segment - dynamic Circle Theorems in under 1 min #shorts #geogebra
I make a car with wheels that roll correctly, and discuss cycloids and easing functions along the way. Rolling circle file here: https://www.geogebra.org/m/quatamj2 Car file I built here: https://www.geogebra.org/m/ddyvxhnh Inigo Quilez on YouTube @InigoQuilez I recommend watching these two: https://youtu.be/8--5LwHRhjk?si=IN4VfEa7PTQvSX8X https://youtu.be/BFld4EBO2RE?si=RRruV0-5Iot67Wl8 Sections: 00:00 Intro 01:00 Rolling circle basics 11:38 Rolling Car animation 26:57 Easing functions 37:18 Easing function in the rolling car file 41:11 Making the bumpiness happen 51:48 Clean final file and outro
Rolling wheels in Geogebra. Cars, Cycloids, and Easing functions.
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