One teacher was looking for a way to help his students have more fun with math and logic. So he developed what is now known as the perimeter magic triangle puzzles.

National 4 Perimeter and area Rhombus and kite In this National 4 Lifeskills Maths study guide, you can revise how to find the perimeter and area of triangles, quadrilaterals (rectangle ...

GCSE Maths Geometry and measure learning resources for adults, children, parents and teachers.