Idan Tal

Math teacher and Geogebra expert

[Idan Tal @MagicPi2]

The exterior angles of a polygon always add up to 360 degrees
#mtbos #iteachmath #math #maths

[Idan Tal @MagicPi2]

Envelope of a cardioid
#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Eccentricity of an ellipse

#mtbos #iteachmath #math #maths #geometry #ellipse

[Idan Tal @MagicPi2]

Envelope of an ellipse

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Pythagorean theorem

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Spiral of Theodorus

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Vector addition

#mtbos #iteachmath #math #maths

[Idan Tal @MagicPi2]

Trapezoid midsegment theorem

#mtnos #iteachmatb #math #maths

[Idan Tal @MagicPi2]

Carnot’s theorem for perpendiculars on triangles sides

#iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Helpful animation reminds us just how simple parallel parking is

[Idan Tal @MagicPi2]

Pythagorean theorem

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

One radian is just under 57.3 degrees

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Compound of five cubes

Geogebra resource: https://t.co/TSpoHaxYm0

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Opposite angles of a cyclic quadrilateral add up to 180 degrees

#mtbos #iteachmath #math #maths #geometry

[Idan Tal @MagicPi2]

Limit

#mtbos #iteachmath #math #maths

[Idan Tal @MagicPi2]

Golden spiral

#mtbos #iteachmath #math #maths #geometry