Help your students prepare for their Maths GCSE with this free surface area of prisms worksheet of 34 questions and answers
Suitable for GCSE maths revision for AQA, OCR and Edexcel exam boards
Surface area is a measure of the total area of all of the faces of a solid shape. A prism is a 3D shape with identical polygons at each end, connected by a number of rectangular faces. To find the total surface area of a prism, we find the area of each face and add them together.
For example, a triangular prism has two triangular ends connected by three rectangular sides. To find the total surface area of the triangular prism, we find the area of the two triangles. We then find the area of the three sides (sometimes called the lateral surface area) and add these to the area of the triangles to give the total surface area.
Surface area of 3D shapes is measured in square units such as cm^2 or mm^2 .
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