Extra: The puzzle presented in this activity is called a “perimeter magic triangle of order three.” To extend it to a higher-order perimeter magic triangle start by drawing a new triangle.

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 ...

Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio. ... (80 \div 20 = 4\) Perimeter is a measurement of length.