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Help your students prepare for their Maths GCSE with this free surface area of cylinders worksheet of 34 questions and answers
Suitable for GCSE maths revision for AQA, OCR and Edexcel exam boards
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Surface area is a measure of the total area of all of the faces of a 3D shape. A cylinder has 3 faces, two circular ends joined by a curved surface, which once unfolded is a rectangle. We know that the area of a circle is given by πr^2 , where r is the radius of the circle.
If we were to draw a net of a cylinder, the curved surface in the middle would open up to a rectangle with height h , the height of the cylinder, and length 2πr , the circumference of the circular base. For this reason, the curved surface area (also called lateral surface area) of a cylinder is given by 2πrh .
The total surface area of the cylinder is found by adding the areas of the three faces to give text{Surface area} = 2π(r^2)+2πrh .
Surface area of a cylinder is measured in square units such as cm^2 or mm^2 . We might be asked to give an answer in terms of pi or to round to a given number of decimal places or significant figures.
Looking forward, students can then progress to additional surface area worksheets and other geometry worksheets, for example a simplifying expressions worksheet or simultaneous equations worksheet.
For more teaching and learning support on Geometry our GCSE maths lessons provide step by step support for all GCSE maths concepts.
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