Three fourths of a circle Animation Play

Torus Animation Play

Trend in the reactivity of halogens Animation Play

Trigonometric functions of the general angle Simulation Play

Trigonometric functions of the general angle Student activity Play

Two circles Whiteboard exercise Play

Two circles Student activity Play

Two circles Simulation Play

Two circles Student activity Play

Two circles and a line Student activity Play

Two circles and a line Whiteboard exercise Play

Two circles externally tangent Whiteboard exercise Play

Two circles internally tangent Whiteboard exercise Play

Two internally tangent circles Whiteboard exercise Play

Types of receptors Slideshow Play

Upper limb Illustration Play

Using a ruler and a compass Animation Play

Using exact values Student activity Play

Using the basic constructions Student activity Play

Using the distance formula Animation Play

Values of the sine and the cosine Animation Play

Values of the tangent Animation Play

Variation of electronegativity across a period Simulation Play

Variation of electronegativity across a period Illustration Play

Variation of electronegativity across a period (1) Student activity Play