Spark — Milla's learning buddy

0° 45°

Acute angle — 45°

Drag the slider to change the angle

A skate ramp at 45° is perfect for tricks — steep enough to get speed but not too scary!

Draw on the left — watch it mirror on the right!

Butterflies, leaves, your face — nature loves symmetry! A line of symmetry splits a shape into two identical halves.