Peg uses a magic ukulele to find the line of symmetry on shapes. Peg uses a magic ukulele to find the line of symmetry on shapes that form steps. The steps should lead her to the Kingdom of Day ...

Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Eduqas study guide.

My favorite part is the line created from the bottom-left of the frame to the top-right. The shadows edge meets with the edge of the wall creating a line of symmetry.

Ian Stewart, . . Basic, $26.95 (290pp) ISBN 978-0-465-08236-0 Anyone who thinks math is dull will be delightfully surprised by this history of the concept of symmetry.

Flowers which evolved more recently have just one line of symmetry known as bilateral symmetry. Curiously, the evolution of bilateral symmetry has occurred at least 16 times in the family Proteaceae.