In this National 4 Lifeskills Maths study guide, you can revise how to find the perimeter and area of triangles, quadrilaterals (rectangle, parallelogram, rhombus, kite and square), circles, arcs ...

A quadrilateral is a four-sided shape, where the sides are straight and meet at four vertices. The prefix “quad” means four. There are several types of quadrilaterals. Can you name them?

Polygon party Only 2D shapes with straight sides are invited to the polygon party. Quadrilaterals Quadrilaterals have 4 sides and their internal angles add up to 360°. Square, rectangle, rhombus ...