Form 1 Unit 14-PERIMETRE AND AREA Unit Content Form 1 Unit 14 Lesson 1 – Definition and Units of Perimeter and Area Form 1 Unit 14 Lesson 2 – Perimeter and Area of a Triangle Form 1 Unit 14 Lesson 3 – Perimeter and Area of a Trapezium Form 1 Unit 14 Lesson 4 – Perimeter and Area of a Parallelogram Lesson 5 – Perimeter and Area of Composite Shapes