This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.

Constructing Triangles

Age 11 to 14 Challenge Level:

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

Construction - Short Problems

Age 11 to 16

A collection of short problems on construction and loci.

You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.