Perimeter of a Trapezium | GCSE Maths (Step-by-Step)

How to Find the Perimeter of a Trapezium is an important GCSE Maths topic that students often find confusing. In this lesson, you will learn how to find the perimeter of a trapezium using a clear and logical step-by-step approach suitable for exams.

This video explains how to find the perimeter of a trapezium by correctly identifying all four sides and adding their lengths, including cases where some sides must be calculated first. You will see worked examples that reflect real GCSE exam questions, helping you understand exactly what examiners expect.

We also highlight common mistakes, such as missing a slanted side or confusing perimeter with area. By the end of the lesson, you’ll know how to confidently apply the correct method when finding the perimeter of a trapezium in homework, tests, and GCSE exams.

This lesson is ideal for GCSE Maths revision, IGCSE students, and KS3 learners who want to strengthen their understanding of perimeter and shape properties.

👉 Watch the full video, pause to practise, and build exam confidence.

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