A central angle Whiteboard exercise Play

A central angle Student activity Play

A central angle – finding the length of the arc Whiteboard exercise Play

A central angle – finding the radius of the circle Whiteboard exercise Play

A line and a point of symmetry Animation Play

A line of symmetry and a rotation through 90° Animation Play

A symmetrical triangle on non-squared paper Student activity Play

A symmetrical triangle on squared paper Whiteboard exercise Play

A symmetrical triangle on squared paper Student activity Play

A triangle symmetrical with respect to a line Whiteboard exercise Play

A triangle symmetrical with respect to a line Student activity Play

An inscribed angle Student activity Play

Angiosperms - ovule and pollen grain Whiteboard exercise Play

Angiosperms – seed plants with sporophyte and gametophyte generations Student activity Play

Autonomic nervous system Slideshow Play

Axis of symmetry and the factor form of a quadratic function Whiteboard exercise Play

Axis of symmetry and the factor form of a quadratic function Student activity Play

Blot and symmetry Animation Play

Central and inscribed angles Whiteboard exercise Play

Central and inscribed angles Student activity Play

Central and inscribed angles on the same arc Student activity Play

Central and inscribed angles on the same arc Whiteboard exercise Play

Central and inscribed angles on the same arc Whiteboard exercise Play

Central and inscribed angles on the same arc – relationship Student activity Play

Central and inscribed angles on the same arc – relationship Animation Play