Learn the methods
Learn to explain solids, nets and cross-sections, then practise in short sessions. Spatial lengths and angles use topics 2 and 9. Coordinate vectors are introduced here before their advanced applications.
Draw a model before calculating.
Choose a method and explain when it applies.
Check units, conditions and the requested quantity.
Spatial lengths and angles use topics 2 and 9. Coordinate vectors are introduced here before their advanced applications.